6502sbc.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:LED D1
U 1 1 5FE82CF5
P 3350 1500
F 0 "D1" H 3342 1241 50  0000 C CNN
F 1 "LED" H 3342 1334 50  0000 C CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3350 1500 50  0001 C CNN
F 3 "~" H 3350 1500 50  0001 C CNN
	1    3350 1500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R1
U 1 1 5FE82E0B
P 3350 1100
F 0 "R1" V 3141 1100 50  0000 C CNN
F 1 "500" V 3234 1100 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 3390 1090 50  0001 C CNN
F 3 "~" H 3350 1100 50  0001 C CNN
	1    3350 1100
	-1   0    0    1   
$EndComp
$Comp
L Device:Crystal Y1
U 1 1 5FE83D78
P 1900 4400
F 0 "Y1" H 1900 4671 50  0000 C CNN
F 1 "1MHz" H 1900 4578 50  0000 C CNN
F 2 "Crystal:Resonator-2Pin_W6.0mm_H3.0mm" H 1900 4400 50  0001 C CNN
F 3 "~" H 1900 4400 50  0001 C CNN
	1    1900 4400
	1    0    0    -1  
$EndComp
$Comp
L 65xxlibrary:6522 U3
U 1 1 5FE83E0F
P 8950 5600
F 0 "U3" H 8950 7232 50  0000 C CNN
F 1 "6522" H 8950 7139 50  0000 C CIB
F 2 "Package_DIP:DIP-40_W15.24mm" H 8950 5750 50  0001 C CNN
F 3 "http://www.6502.org/documents/datasheets/mos/mos_6522_preliminary_nov_1977.pdf" H 8950 5750 50  0001 C CNN
	1    8950 5600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 60A0CEA0
P 2500 1550
F 0 "C2" H 2615 1597 50  0000 L CNN
F 1 "0.1u" H 2615 1504 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 2538 1400 50  0001 C CNN
F 3 "~" H 2500 1550 50  0001 C CNN
	1    2500 1550
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 60A0CEF8
P 1600 1550
F 0 "C1" H 1715 1597 50  0000 L CNN
F 1 "0.22u" H 1715 1504 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 1638 1400 50  0001 C CNN
F 3 "~" H 1600 1550 50  0001 C CNN
	1    1600 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 1700 1950 1700
Wire Wire Line
	2050 1650 2050 1700
Connection ~ 2050 1700
Wire Wire Line
	2050 1700 2500 1700
Wire Wire Line
	2350 1350 2500 1350
Wire Wire Line
	2500 1350 2500 1400
Wire Wire Line
	1750 1350 1600 1350
Wire Wire Line
	1600 1350 1600 1400
Text GLabel 6650 4050 0    50   Input ~ 0
vdd
Text GLabel 8950 4150 0    50   Input ~ 0
vdd
Text GLabel 11350 4150 0    50   Input ~ 0
vdd
$Comp
L Regulator_Linear:LM7805_TO220 U1
U 1 1 5FE82C6D
P 2050 1350
F 0 "U1" H 2050 1595 50  0000 C CNN
F 1 "LM7805_TO220" H 2050 1502 50  0000 C CNN
F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2050 1575 50  0001 C CIN
F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 2050 1300 50  0001 C CNN
	1    2050 1350
	1    0    0    -1  
$EndComp
Text GLabel 1600 1350 0    50   Input ~ 0
voltage
Text GLabel 3350 900  1    50   Input ~ 0
vdd
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	8350 6200 8250 6200
Wire Wire Line
	8350 6300 8250 6300
Wire Wire Line
	8350 6400 8250 6400
Wire Wire Line
	8350 6500 8250 6500
Wire Wire Line
	8350 6600 8250 6600
Wire Wire Line
	8350 6700 8250 6700
Text Label 8250 6000 0    50   ~ 0
D0
Text Label 8250 6100 0    50   ~ 0
D1
Text Label 8250 6200 0    50   ~ 0
D2
Text Label 8250 6300 0    50   ~ 0
D3
Text Label 8250 6400 0    50   ~ 0
D4
Text Label 8250 6500 0    50   ~ 0
D5
Text Label 8250 6600 0    50   ~ 0
D6
Text Label 8250 6700 0    50   ~ 0
D7
Wire Wire Line
	7250 6100 7350 6100
Wire Wire Line
	7250 6200 7350 6200
Wire Wire Line
	7250 6300 7350 6300
Wire Wire Line
	7250 6400 7350 6400
Wire Wire Line
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Wire Wire Line
	7250 6600 7350 6600
Wire Wire Line
	7250 6700 7350 6700
Wire Wire Line
	7250 6800 7350 6800
Text Label 7350 6100 0    50   ~ 0
D0
Text Label 7350 6200 0    50   ~ 0
D1
Text Label 7350 6300 0    50   ~ 0
D2
Text Label 7350 6400 0    50   ~ 0
D3
Text Label 7350 6500 0    50   ~ 0
D4
Text Label 7350 6600 0    50   ~ 0
D5
Text Label 7350 6700 0    50   ~ 0
D6
Text Label 7350 6800 0    50   ~ 0
D7
Wire Wire Line
	10750 6000 10650 6000
Wire Wire Line
	10750 6100 10650 6100
Wire Wire Line
	10750 6200 10650 6200
Wire Wire Line
	10750 6300 10650 6300
Wire Wire Line
	10750 6400 10650 6400
Wire Wire Line
	10750 6500 10650 6500
Wire Wire Line
	10750 6600 10650 6600
Wire Wire Line
	10750 6700 10650 6700
Text Label 10650 6000 0    50   ~ 0
D0
Text Label 10650 6100 0    50   ~ 0
D1
Text Label 10650 6200 0    50   ~ 0
D2
Text Label 10650 6300 0    50   ~ 0
D3
Text Label 10650 6400 0    50   ~ 0
D4
Text Label 10650 6500 0    50   ~ 0
D5
Text Label 10650 6600 0    50   ~ 0
D6
Text Label 10650 6700 0    50   ~ 0
D7
Wire Wire Line
	7250 4400 7350 4400
Wire Wire Line
	7250 4500 7350 4500
Wire Wire Line
	7250 4600 7350 4600
Wire Wire Line
	7250 4700 7350 4700
Wire Wire Line
	7250 4800 7350 4800
Wire Wire Line
	7250 4900 7350 4900
Wire Wire Line
	7250 5000 7350 5000
Wire Wire Line
	7250 5100 7350 5100
Wire Wire Line
	7250 5200 7350 5200
Wire Wire Line
	7250 5300 7350 5300
Wire Wire Line
	7250 5400 7350 5400
Wire Wire Line
	7250 5500 7350 5500
Wire Wire Line
	7250 5600 7350 5600
Wire Wire Line
	7250 5700 7350 5700
Wire Wire Line
	7250 5800 7350 5800
Wire Wire Line
	7250 5900 7350 5900
Text Label 7350 4400 0    50   ~ 0
A0
Text Label 7350 4500 0    50   ~ 0
A1
Text Label 7350 4600 0    50   ~ 0
A2
Text Label 7350 4700 0    50   ~ 0
A3
Text Label 7350 4800 0    50   ~ 0
A4
Text Label 7350 4900 0    50   ~ 0
A5
Text Label 7350 5000 0    50   ~ 0
A6
Text Label 7350 5100 0    50   ~ 0
A7
Text Label 7350 5200 0    50   ~ 0
A8
Text Label 7350 5300 0    50   ~ 0
A9
Text Label 7350 5400 0    50   ~ 0
A10
Text Label 7350 5500 0    50   ~ 0
A11
Text Label 7350 5600 0    50   ~ 0
A12
Text Label 7350 5700 0    50   ~ 0
A13
Text Label 7350 5800 0    50   ~ 0
A14
Text Label 7350 5900 0    50   ~ 0
A15
$Comp
L Device:C C3
U 1 1 60A20677
P 6650 3650
F 0 "C3" V 6395 3650 50  0000 C CNN
F 1 "100n" V 6488 3650 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 6688 3500 50  0001 C CNN
F 3 "~" H 6650 3650 50  0001 C CNN
	1    6650 3650
	0    1    1    0   
$EndComp
$Comp
L Device:C C4
U 1 1 60A206FA
P 9550 4000
F 0 "C4" V 9295 4000 50  0000 C CNN
F 1 "100n" V 9388 4000 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 9588 3850 50  0001 C CNN
F 3 "~" H 9550 4000 50  0001 C CNN
	1    9550 4000
	0    1    1    0   
$EndComp
$Comp
L Device:C C5
U 1 1 60A20750
P 11900 4000
F 0 "C5" V 11645 4000 50  0000 C CNN
F 1 "100n" V 11738 4000 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 11938 3850 50  0001 C CNN
F 3 "~" H 11900 4000 50  0001 C CNN
	1    11900 4000
	0    1    1    0   
$EndComp
Text GLabel 6500 3650 0    50   Input ~ 0
vdd
Text GLabel 9400 4000 0    50   Input ~ 0
vdd
Text GLabel 11750 4000 0    50   Input ~ 0
vdd
Wire Wire Line
	6050 5200 5950 5200
Wire Wire Line
	6050 5300 5950 5300
Wire Wire Line
	6050 5600 5950 5600
Wire Wire Line
	6050 6300 5950 6300
Wire Wire Line
	6050 6800 5950 6800
Wire Wire Line
	6050 4700 5950 4700
Wire Wire Line
	6050 4400 5950 4400
Text Label 5950 4400 0    50   ~ 0
RES
Text Label 5950 4700 0    50   ~ 0
CLK
Text Label 5950 5200 0    50   ~ 0
IRQ
Text Label 5950 5300 0    50   ~ 0
NMI
Text Label 5950 5600 0    50   ~ 0
RW
Text Label 5950 5900 0    50   ~ 0
RDY
Text Label 5950 6300 2    50   ~ 0
SYNC
$Comp
L Device:C C6
U 1 1 60A30688
P 1850 3250
F 0 "C6" H 1735 3203 50  0000 R CNN
F 1 "1u" H 1735 3296 50  0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 1888 3100 50  0001 C CNN
F 3 "~" H 1850 3250 50  0001 C CNN
	1    1850 3250
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R3
U 1 1 60A30739
P 1450 3050
F 0 "R3" H 1519 3097 50  0000 L CNN
F 1 "1k" H 1519 3004 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 1490 3040 50  0001 C CNN
F 3 "~" H 1450 3050 50  0001 C CNN
	1    1450 3050
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R2
U 1 1 60A3079F
P 1000 3250
F 0 "R2" H 1069 3297 50  0000 L CNN
F 1 "1k" H 1069 3204 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 1040 3240 50  0001 C CNN
F 3 "~" H 1000 3250 50  0001 C CNN
	1    1000 3250
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW1
U 1 1 60A31384
P 1000 2750
F 0 "SW1" V 1047 2701 50  0000 R CNN
F 1 "SW_Push" V 954 2701 50  0000 R CNN
F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm" H 1000 2950 50  0001 C CNN
F 3 "" H 1000 2950 50  0001 C CNN
	1    1000 2750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1850 3050 1850 3100
Wire Wire Line
	1850 3450 1850 3400
Wire Wire Line
	1000 2550 1000 2500
Text GLabel 1000 2500 1    50   Input ~ 0
vdd
Text Notes 1750 2600 0    50   ~ 0
Reset\n\n
Wire Wire Line
	9550 4500 9650 4500
Wire Wire Line
	9550 4600 9650 4600
Wire Wire Line
	9550 4700 9650 4700
Wire Wire Line
	9550 4800 9650 4800
Wire Wire Line
	9550 4900 9650 4900
Wire Wire Line
	9550 5000 9650 5000
Wire Wire Line
	9550 5100 9650 5100
Wire Wire Line
	9550 5200 9650 5200
Wire Wire Line
	9550 5700 9650 5700
Wire Wire Line
	9550 5800 9650 5800
Wire Wire Line
	9550 5900 9650 5900
Wire Wire Line
	9550 6000 9650 6000
Wire Wire Line
	9550 6100 9650 6100
Wire Wire Line
	9550 6200 9650 6200
Wire Wire Line
	9550 6300 9650 6300
Wire Wire Line
	9550 6400 9650 6400
Text Label 9650 4500 0    50   ~ 0
PA0
Text Label 9650 4600 0    50   ~ 0
PA1
Text Label 9650 4700 0    50   ~ 0
PA2
Text Label 9650 4800 0    50   ~ 0
PA3
Text Label 9650 4900 0    50   ~ 0
PA4
Text Label 9650 5000 0    50   ~ 0
PA5
Text Label 9650 5100 0    50   ~ 0
PA6
Text Label 9650 5200 0    50   ~ 0
PA7
Text Label 9650 5700 0    50   ~ 0
PB0
Text Label 9650 5800 0    50   ~ 0
PB1
Text Label 9650 5900 0    50   ~ 0
PB2
Text Label 9650 6000 0    50   ~ 0
PB3
Text Label 9650 6100 0    50   ~ 0
PB4
Text Label 9650 6200 0    50   ~ 0
PB5
Text Label 9650 6300 0    50   ~ 0
PB6
Text Label 9650 6400 0    50   ~ 0
PB7
Wire Wire Line
	6050 4800 5950 4800
Wire Wire Line
	6050 4900 5950 4900
Text Label 5950 4800 2    50   ~ 0
CLK_PHASE1
Text Label 5950 4900 2    50   ~ 0
CLK_PHASE2
Wire Wire Line
	8350 4500 8250 4500
Wire Wire Line
	8350 4600 8250 4600
Wire Wire Line
	8350 4800 8250 4800
Wire Wire Line
	8350 5000 8250 5000
Wire Wire Line
	8350 5100 8250 5100
Text Label 8250 4500 0    50   ~ 0
RES
Text Label 8250 4600 2    50   ~ 0
CLK_PHASE2
Wire Wire Line
	10750 4500 10650 4500
Wire Wire Line
	10750 4600 10650 4600
Wire Wire Line
	10750 4800 10650 4800
Wire Wire Line
	10750 5000 10650 5000
Wire Wire Line
	10750 5100 10650 5100
Wire Wire Line
	10750 5300 10650 5300
Wire Wire Line
	10750 5400 10650 5400
Text Label 10650 4600 2    50   ~ 0
CLK_PHASE2
Text Label 8250 4800 0    50   ~ 0
IRQ
Text Label 10650 4800 0    50   ~ 0
IRQ
Wire Wire Line
	3350 900  3350 950 
Wire Wire Line
	3350 1250 3350 1350
Wire Wire Line
	3350 1650 3350 1700
Wire Wire Line
	14200 1300 14300 1300
Wire Wire Line
	14200 1400 14300 1400
Wire Wire Line
	14200 1500 14300 1500
Wire Wire Line
	14200 1600 14300 1600
Wire Wire Line
	14200 1700 14300 1700
Text Label 14300 1300 0    50   ~ 0
D0
Text Label 14300 1400 0    50   ~ 0
D1
Text Label 14300 1500 0    50   ~ 0
D2
Text Label 14300 1600 0    50   ~ 0
D3
Text Label 14300 1700 0    50   ~ 0
D4
Wire Wire Line
	13400 1300 13300 1300
Wire Wire Line
	13400 1400 13300 1400
Wire Wire Line
	13400 1500 13300 1500
Wire Wire Line
	13400 1600 13300 1600
Wire Wire Line
	13400 1700 13300 1700
Wire Wire Line
	13400 2400 13300 2400
Wire Wire Line
	13400 2500 13300 2500
Wire Wire Line
	13300 2600 13400 2600
Wire Wire Line
	13400 2700 13300 2700
Text Label 13300 1300 0    50   ~ 0
A0
Text Label 13300 1400 0    50   ~ 0
A1
Text Label 13300 1500 0    50   ~ 0
A2
Text Label 13300 1600 0    50   ~ 0
A3
Text Label 13300 1700 0    50   ~ 0
A4
Text Label 13300 2400 2    50   ~ 0
A11
Text Label 13300 2500 2    50   ~ 0
A12
Text Label 13300 2600 2    50   ~ 0
A13
Text Label 13300 2700 2    50   ~ 0
A14
Text GLabel 13800 1100 2    50   Input ~ 0
vdd
$Comp
L Device:C C7
U 1 1 60B0419C
P 14600 950
F 0 "C7" V 14345 950 50  0000 C CNN
F 1 "100n" V 14438 950 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 14638 800 50  0001 C CNN
F 3 "~" H 14600 950 50  0001 C CNN
	1    14600 950 
	0    1    1    0   
$EndComp
Text GLabel 14450 950  0    50   Input ~ 0
vdd
Wire Wire Line
	10750 5800 10650 5800
$Comp
L Memory_NVRAM:FM1808B-SG U8
U 1 1 60B11467
P 13900 5100
F 0 "U8" H 13900 6182 50  0000 C CNN
F 1 "FM1808B-SG" H 13900 6089 50  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 13900 5100 50  0001 C CNN
F 3 "http://www.cypress.com/file/136521/download" H 13900 5100 50  0001 C CNN
	1    13900 5100
	1    0    0    -1  
$EndComp
Text GLabel 13900 4200 0    50   Input ~ 0
vdd
Wire Wire Line
	13400 4400 13300 4400
Wire Wire Line
	13400 4500 13300 4500
Wire Wire Line
	13400 4600 13300 4600
Wire Wire Line
	13400 4700 13300 4700
Wire Wire Line
	13400 4800 13300 4800
Wire Wire Line
	13400 4900 13300 4900
Wire Wire Line
	13400 5000 13300 5000
Wire Wire Line
	13400 5100 13300 5100
Wire Wire Line
	13400 5200 13300 5200
Wire Wire Line
	13400 5300 13300 5300
Wire Wire Line
	13400 5400 13300 5400
Wire Wire Line
	13400 5500 13300 5500
Wire Wire Line
	13400 5600 13300 5600
Wire Wire Line
	13400 5700 13300 5700
Wire Wire Line
	13400 5800 13300 5800
Wire Wire Line
	14400 4400 14500 4400
Wire Wire Line
	14400 4500 14500 4500
Wire Wire Line
	14400 4600 14500 4600
Wire Wire Line
	14400 4700 14500 4700
Wire Wire Line
	14400 4800 14500 4800
Wire Wire Line
	14400 4900 14500 4900
Wire Wire Line
	14400 5000 14500 5000
Wire Wire Line
	14400 5100 14500 5100
Text Label 13300 4400 0    50   ~ 0
A0
Text Label 13300 4500 0    50   ~ 0
A1
Text Label 13300 4600 0    50   ~ 0
A2
Text Label 13300 4700 0    50   ~ 0
A3
Text Label 13300 4800 0    50   ~ 0
A4
Text Label 13300 4900 0    50   ~ 0
A5
Text Label 13300 5000 0    50   ~ 0
A6
Text Label 13300 5100 0    50   ~ 0
A7
Text Label 13300 5200 0    50   ~ 0
A8
Text Label 13300 5300 0    50   ~ 0
A9
Text Label 13300 5400 2    50   ~ 0
A10
Text Label 13300 5500 2    50   ~ 0
A11
Text Label 13300 5600 2    50   ~ 0
A12
Text Label 13300 5700 2    50   ~ 0
A13
Text Label 13300 5800 2    50   ~ 0
A14
Text Label 14500 4400 0    50   ~ 0
D0
Text Label 14500 4500 0    50   ~ 0
D1
Text Label 14500 4600 0    50   ~ 0
D2
Text Label 14500 4700 0    50   ~ 0
D3
Text Label 14500 4800 0    50   ~ 0
D4
Text Label 14500 4900 0    50   ~ 0
D5
Text Label 14500 5000 0    50   ~ 0
D6
Text Label 14500 5100 0    50   ~ 0
D7
$Comp
L Device:C C8
U 1 1 60BF8473
P 14600 4050
F 0 "C8" V 14345 4050 50  0000 C CNN
F 1 "100n" V 14438 4050 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 14638 3900 50  0001 C CNN
F 3 "~" H 14600 4050 50  0001 C CNN
	1    14600 4050
	0    1    1    0   
$EndComp
Text GLabel 14450 4050 0    50   Input ~ 0
vdd
Wire Wire Line
	1000 3450 1400 3450
Wire Wire Line
	1600 3050 1850 3050
Connection ~ 1850 3050
Wire Wire Line
	1300 3050 1000 3050
Wire Wire Line
	1000 2950 1000 3050
Wire Wire Line
	1000 3100 1000 3050
Connection ~ 1000 3050
Wire Wire Line
	1000 3400 1000 3450
Text GLabel 5500 700  0    50   Input ~ 0
vdd
Text GLabel 6200 700  0    50   Input ~ 0
vdd
$Comp
L 74xx:74HC14 U9
U 3 1 60B12225
P 2350 3050
F 0 "U9" H 2350 3370 50  0000 C CNN
F 1 "74HC14" H 2350 3277 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 2350 3050 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 2350 3050 50  0001 C CNN
	3    2350 3050
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U9
U 7 1 60B12421
P 6900 1200
F 0 "U9" H 7130 1247 50  0000 L CNN
F 1 "74HC14" H 7130 1154 50  0000 L CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 6900 1200 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 6900 1200 50  0001 C CNN
	7    6900 1200
	1    0    0    -1  
$EndComp
Text GLabel 6900 700  0    50   Input ~ 0
vdd
Text Notes 3550 10150 0    50   ~ 0
Address Decode
Wire Wire Line
	1500 9250 1600 9250
Wire Wire Line
	2200 8500 2350 8500
Wire Wire Line
	2350 8500 2350 9000
Wire Wire Line
	3050 9750 3150 9750
Wire Wire Line
	4450 9300 4550 9300
Text Label 1600 8350 2    50   ~ 0
A15
Text Label 1600 8450 2    50   ~ 0
A14
Text Label 1600 8550 2    50   ~ 0
A13
Text Label 1600 8650 2    50   ~ 0
A12
Text Label 1600 9050 2    50   ~ 0
A11
Text Label 1600 9150 2    50   ~ 0
A10
Text Label 900  9250 2    50   ~ 0
A9
Text Label 1600 9350 2    50   ~ 0
A8
Text Label 2450 9600 2    50   ~ 0
A7
Text Label 2450 9700 2    50   ~ 0
A6
Text Label 2450 9800 2    50   ~ 0
A5
Text Label 4550 9300 1    50   ~ 0
DECODE
Wire Wire Line
	1850 3050 2050 3050
Wire Wire Line
	2650 3050 2750 3050
Wire Notes Line
	750  2250 2950 2250
Text Label 2750 3050 1    50   ~ 0
RES
$Comp
L Device:R_US R6
U 1 1 60C0AE05
P 8050 3650
F 0 "R6" H 8119 3697 50  0000 L CNN
F 1 "3.3k" H 8119 3604 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 8090 3640 50  0001 C CNN
F 3 "~" H 8050 3650 50  0001 C CNN
	1    8050 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	8050 3500 8050 3450
Text GLabel 8050 3450 1    50   Input ~ 0
vdd
Wire Wire Line
	8050 3800 8050 3900
Text Label 8050 3900 2    50   ~ 0
IRQ
$Comp
L Device:C C10
U 1 1 60ADA753
P 9350 1250
F 0 "C10" H 9465 1297 50  0000 L CNN
F 1 "100n" H 9465 1204 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 9388 1100 50  0001 C CNN
F 3 "~" H 9350 1250 50  0001 C CNN
	1    9350 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C11
U 1 1 60ADA88F
P 9750 1250
F 0 "C11" H 9865 1297 50  0000 L CNN
F 1 "100n" H 9865 1204 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 9788 1100 50  0001 C CNN
F 3 "~" H 9750 1250 50  0001 C CNN
	1    9750 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C12
U 1 1 60ADA8F9
P 10150 1250
F 0 "C12" H 10265 1297 50  0000 L CNN
F 1 "100n" H 10265 1204 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 10188 1100 50  0001 C CNN
F 3 "~" H 10150 1250 50  0001 C CNN
	1    10150 1250
	1    0    0    -1  
$EndComp
Text GLabel 9350 1100 1    50   Input ~ 0
vdd
Text GLabel 9750 1100 1    50   Input ~ 0
vdd
Text GLabel 10150 1100 1    50   Input ~ 0
vdd
Wire Wire Line
	1150 4950 1000 4950
Wire Wire Line
	1000 4950 1000 4400
Wire Wire Line
	1000 4400 1750 4400
Wire Wire Line
	2050 4400 2900 4400
Wire Wire Line
	2900 4400 2900 4950
Wire Wire Line
	2900 4950 2750 4950
Wire Wire Line
	3050 4950 2900 4950
Connection ~ 2900 4950
Wire Wire Line
	2100 4950 2150 4950
$Comp
L Device:R_US R4
U 1 1 60B29391
P 1400 5400
F 0 "R4" V 1195 5400 50  0000 C CNN
F 1 "1.5k" V 1286 5400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 1440 5390 50  0001 C CNN
F 3 "~" H 1400 5400 50  0001 C CNN
	1    1400 5400
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R5
U 1 1 60B29DE5
P 2400 5400
F 0 "R5" V 2195 5400 50  0000 C CNN
F 1 "3k" V 2286 5400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 2440 5390 50  0001 C CNN
F 3 "~" H 2400 5400 50  0001 C CNN
	1    2400 5400
	0    1    1    0   
$EndComp
Wire Wire Line
	2250 5400 2100 5400
Wire Wire Line
	2100 5400 2100 4950
Wire Wire Line
	1550 5400 1750 5400
Wire Wire Line
	1250 5400 1150 5400
Wire Wire Line
	1150 5400 1150 4950
Wire Wire Line
	2550 5400 2750 5400
Wire Wire Line
	2750 5400 2750 4950
Wire Wire Line
	3650 4950 3800 4950
Text Label 3800 4950 0    50   ~ 0
CLK
$Comp
L 74xx:74HC14 U9
U 4 1 60B70411
P 1450 4950
F 0 "U9" H 1450 5267 50  0000 C CNN
F 1 "74HC14" H 1450 5176 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 1450 4950 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 1450 4950 50  0001 C CNN
	4    1450 4950
	1    0    0    -1  
$EndComp
Connection ~ 1150 4950
$Comp
L 74xx:74HC14 U9
U 5 1 60B71B7D
P 2450 4950
F 0 "U9" H 2450 5267 50  0000 C CNN
F 1 "74HC14" H 2450 5176 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 2450 4950 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 2450 4950 50  0001 C CNN
	5    2450 4950
	1    0    0    -1  
$EndComp
Connection ~ 2750 4950
$Comp
L 74xx:74HC14 U9
U 6 1 60B7304A
P 3350 4950
F 0 "U9" H 3350 5267 50  0000 C CNN
F 1 "74HC14" H 3350 5176 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 3350 4950 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 3350 4950 50  0001 C CNN
	6    3350 4950
	1    0    0    -1  
$EndComp
Text Notes 1600 5700 0    50   ~ 0
Clock Generation, *** verify crystal frequency ***
Wire Notes Line
	750  5950 750  4100
Wire Notes Line
	750  4100 4000 4100
$Comp
L Device:Crystal Y2
U 1 1 60B9B934
P 1350 6750
F 0 "Y2" V 1396 6619 50  0000 R CNN
F 1 "1.8432MHz" V 1305 6619 50  0000 R CNN
F 2 "Crystal:Resonator-2Pin_W6.0mm_H3.0mm" H 1350 6750 50  0001 C CNN
F 3 "~" H 1350 6750 50  0001 C CNN
	1    1350 6750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	11950 4500 12050 4500
Wire Wire Line
	11950 4600 12050 4600
Wire Wire Line
	11950 4800 12050 4800
Wire Wire Line
	11950 5400 12050 5400
Wire Wire Line
	11950 5600 12050 5600
Wire Wire Line
	11950 5700 12050 5700
Wire Wire Line
	11950 6000 12050 6000
Wire Wire Line
	1350 6500 1350 6600
Wire Wire Line
	1350 6900 1350 7050
Text Label 1500 6500 0    50   ~ 0
XTAL1
Text Label 1500 7050 0    50   ~ 0
XTAL2
Text Label 12050 4500 0    50   ~ 0
XTAL1
Text Label 12050 4600 0    50   ~ 0
XTAL2
Wire Notes Line
	750  6300 2250 6300
Wire Notes Line
	2250 6300 2250 7600
Wire Notes Line
	2250 7600 750  7600
Wire Notes Line
	750  7600 750  6300
Text Notes 900  7500 0    50   ~ 0
6551 Clock (Rs < 400 Ohms)
Text GLabel 2500 1350 2    50   Input ~ 0
vdd
$Comp
L power:GNDREF #PWR03
U 1 1 60CDBABD
P 1950 1700
F 0 "#PWR03" H 1950 1450 50  0001 C CNN
F 1 "GNDREF" H 1955 1527 50  0000 C CNN
F 2 "" H 1950 1700 50  0001 C CNN
F 3 "" H 1950 1700 50  0001 C CNN
	1    1950 1700
	1    0    0    -1  
$EndComp
Connection ~ 1950 1700
Wire Wire Line
	1950 1700 2050 1700
$Comp
L power:GNDREF #PWR04
U 1 1 60CDC00B
P 3350 1700
F 0 "#PWR04" H 3350 1450 50  0001 C CNN
F 1 "GNDREF" H 3355 1527 50  0000 C CNN
F 2 "" H 3350 1700 50  0001 C CNN
F 3 "" H 3350 1700 50  0001 C CNN
	1    3350 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR02
U 1 1 60CDC10F
P 1400 3450
F 0 "#PWR02" H 1400 3200 50  0001 C CNN
F 1 "GNDREF" H 1405 3277 50  0000 C CNN
F 2 "" H 1400 3450 50  0001 C CNN
F 3 "" H 1400 3450 50  0001 C CNN
	1    1400 3450
	1    0    0    -1  
$EndComp
Connection ~ 1400 3450
Wire Wire Line
	1400 3450 1850 3450
$Comp
L power:GNDREF #PWR09
U 1 1 60CDCC9C
P 6800 3650
F 0 "#PWR09" H 6800 3400 50  0001 C CNN
F 1 "GNDREF" V 6805 3522 50  0000 R CNN
F 2 "" H 6800 3650 50  0001 C CNN
F 3 "" H 6800 3650 50  0001 C CNN
	1    6800 3650
	0    -1   -1   0   
$EndComp
$Comp
L power:GNDREF #PWR016
U 1 1 60CDD650
P 9700 4000
F 0 "#PWR016" H 9700 3750 50  0001 C CNN
F 1 "GNDREF" V 9705 3872 50  0000 R CNN
F 2 "" H 9700 4000 50  0001 C CNN
F 3 "" H 9700 4000 50  0001 C CNN
	1    9700 4000
	0    -1   -1   0   
$EndComp
$Comp
L power:GNDREF #PWR018
U 1 1 60CDE016
P 12050 4000
F 0 "#PWR018" H 12050 3750 50  0001 C CNN
F 1 "GNDREF" V 12055 3872 50  0000 R CNN
F 2 "" H 12050 4000 50  0001 C CNN
F 3 "" H 12050 4000 50  0001 C CNN
	1    12050 4000
	0    -1   -1   0   
$EndComp
$Comp
L power:GNDREF #PWR017
U 1 1 60CDF39E
P 11350 7050
F 0 "#PWR017" H 11350 6800 50  0001 C CNN
F 1 "GNDREF" H 11355 6877 50  0000 C CNN
F 2 "" H 11350 7050 50  0001 C CNN
F 3 "" H 11350 7050 50  0001 C CNN
	1    11350 7050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR014
U 1 1 60CDFDC8
P 8950 7050
F 0 "#PWR014" H 8950 6800 50  0001 C CNN
F 1 "GNDREF" H 8955 6877 50  0000 C CNN
F 2 "" H 8950 7050 50  0001 C CNN
F 3 "" H 8950 7050 50  0001 C CNN
	1    8950 7050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR08
U 1 1 60CE1120
P 6650 7150
F 0 "#PWR08" H 6650 6900 50  0001 C CNN
F 1 "GNDREF" H 6655 6977 50  0000 C CNN
F 2 "" H 6650 7150 50  0001 C CNN
F 3 "" H 6650 7150 50  0001 C CNN
	1    6650 7150
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR07
U 1 1 60CE127E
P 6550 7150
F 0 "#PWR07" H 6550 6900 50  0001 C CNN
F 1 "GNDREF" H 6555 6977 50  0000 C CNN
F 2 "" H 6550 7150 50  0001 C CNN
F 3 "" H 6550 7150 50  0001 C CNN
	1    6550 7150
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR020
U 1 1 60CE1CE6
P 13900 6000
F 0 "#PWR020" H 13900 5750 50  0001 C CNN
F 1 "GNDREF" H 13905 5827 50  0000 C CNN
F 2 "" H 13900 6000 50  0001 C CNN
F 3 "" H 13900 6000 50  0001 C CNN
	1    13900 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR019
U 1 1 60CE30D8
P 13800 3300
F 0 "#PWR019" H 13800 3050 50  0001 C CNN
F 1 "GNDREF" H 13805 3127 50  0000 C CNN
F 2 "" H 13800 3300 50  0001 C CNN
F 3 "" H 13800 3300 50  0001 C CNN
	1    13800 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR021
U 1 1 60CE3241
P 14750 950
F 0 "#PWR021" H 14750 700 50  0001 C CNN
F 1 "GNDREF" V 14755 822 50  0000 R CNN
F 2 "" H 14750 950 50  0001 C CNN
F 3 "" H 14750 950 50  0001 C CNN
	1    14750 950 
	0    -1   -1   0   
$EndComp
$Comp
L power:GNDREF #PWR012
U 1 1 60CE3CE1
P 9350 1400
F 0 "#PWR012" H 9350 1150 50  0001 C CNN
F 1 "GNDREF" H 9355 1227 50  0000 C CNN
F 2 "" H 9350 1400 50  0001 C CNN
F 3 "" H 9350 1400 50  0001 C CNN
	1    9350 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR013
U 1 1 60CE46F9
P 9750 1400
F 0 "#PWR013" H 9750 1150 50  0001 C CNN
F 1 "GNDREF" H 9755 1227 50  0000 C CNN
F 2 "" H 9750 1400 50  0001 C CNN
F 3 "" H 9750 1400 50  0001 C CNN
	1    9750 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR015
U 1 1 60CE5123
P 10150 1400
F 0 "#PWR015" H 10150 1150 50  0001 C CNN
F 1 "GNDREF" H 10155 1227 50  0000 C CNN
F 2 "" H 10150 1400 50  0001 C CNN
F 3 "" H 10150 1400 50  0001 C CNN
	1    10150 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR06
U 1 1 60CE5C51
P 5500 1700
F 0 "#PWR06" H 5500 1450 50  0001 C CNN
F 1 "GNDREF" H 5505 1527 50  0000 C CNN
F 2 "" H 5500 1700 50  0001 C CNN
F 3 "" H 5500 1700 50  0001 C CNN
	1    5500 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR010
U 1 1 60CE66E5
P 6200 1700
F 0 "#PWR010" H 6200 1450 50  0001 C CNN
F 1 "GNDREF" H 6205 1527 50  0000 C CNN
F 2 "" H 6200 1700 50  0001 C CNN
F 3 "" H 6200 1700 50  0001 C CNN
	1    6200 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR011
U 1 1 60CE718B
P 6900 1700
F 0 "#PWR011" H 6900 1450 50  0001 C CNN
F 1 "GNDREF" H 6905 1527 50  0000 C CNN
F 2 "" H 6900 1700 50  0001 C CNN
F 3 "" H 6900 1700 50  0001 C CNN
	1    6900 1700
	1    0    0    -1  
$EndComp
Wire Notes Line
	2950 3700 750  3700
Wire Notes Line
	750  2250 750  3700
Wire Notes Line
	2950 2250 2950 3700
$Comp
L power:GNDREF #PWR022
U 1 1 60CF988A
P 14750 4050
F 0 "#PWR022" H 14750 3800 50  0001 C CNN
F 1 "GNDREF" V 14755 3922 50  0000 R CNN
F 2 "" H 14750 4050 50  0001 C CNN
F 3 "" H 14750 4050 50  0001 C CNN
	1    14750 4050
	0    -1   -1   0   
$EndComp
$Comp
L Connector_Generic:Conn_02x16_Odd_Even J1
U 1 1 60DA16A3
P 14100 8450
F 0 "J1" H 14150 9367 50  0000 C CNN
F 1 "Conn_02x16_Odd_Even" H 14150 9276 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x16_P2.54mm_Vertical" H 14100 8450 50  0001 C CNN
F 3 "~" H 14100 8450 50  0001 C CNN
	1    14100 8450
	1    0    0    -1  
$EndComp
Wire Wire Line
	13900 7750 13800 7750
Wire Wire Line
	13900 7850 13800 7850
Wire Wire Line
	13900 7950 13800 7950
Wire Wire Line
	13800 8050 13900 8050
Wire Wire Line
	13900 8150 13800 8150
Wire Wire Line
	13900 8250 13800 8250
Wire Wire Line
	13900 8350 13800 8350
Wire Wire Line
	13900 8450 13800 8450
Wire Wire Line
	13900 8550 13800 8550
Wire Wire Line
	13900 8650 13800 8650
Text Label 13800 7750 0    50   ~ 0
A0
Text Label 13800 7850 0    50   ~ 0
A1
Text Label 13800 7950 0    50   ~ 0
A2
Text Label 13800 8050 0    50   ~ 0
A3
Text Label 13800 8150 0    50   ~ 0
A4
Text Label 13800 8250 0    50   ~ 0
A5
Text Label 13800 8350 0    50   ~ 0
A6
Text Label 13800 8450 0    50   ~ 0
A7
Text Label 13800 8550 0    50   ~ 0
A8
Text Label 13800 8650 0    50   ~ 0
A9
Text Label 13750 8750 0    50   ~ 0
A10
Text Label 13750 8850 0    50   ~ 0
A11
Text Label 13750 8950 0    50   ~ 0
A12
Text Label 13750 9050 0    50   ~ 0
A13
Text Label 13750 9150 0    50   ~ 0
A14
Text Label 13750 9250 0    50   ~ 0
A15
Wire Wire Line
	13750 8750 13900 8750
Wire Wire Line
	13750 8850 13900 8850
Wire Wire Line
	13750 8950 13900 8950
Wire Wire Line
	13750 9050 13900 9050
Wire Wire Line
	13750 9150 13900 9150
Wire Wire Line
	13750 9250 13900 9250
Wire Wire Line
	14400 7850 14500 7850
Wire Wire Line
	14400 7950 14500 7950
Wire Wire Line
	14400 8050 14500 8050
Wire Wire Line
	14400 8150 14500 8150
Wire Wire Line
	14400 8250 14500 8250
Wire Wire Line
	14400 8350 14500 8350
Wire Wire Line
	14400 8450 14500 8450
Wire Wire Line
	14400 8550 14500 8550
Wire Wire Line
	14400 8750 14500 8750
Wire Wire Line
	14400 8850 14500 8850
Wire Wire Line
	14400 8950 14500 8950
Wire Wire Line
	14400 9050 14500 9050
Wire Wire Line
	14400 9150 14500 9150
Text Label 14500 7850 2    50   ~ 0
D0
Text Label 14500 7950 2    50   ~ 0
D1
Text Label 14500 8050 2    50   ~ 0
D2
Text Label 14500 8150 2    50   ~ 0
D3
Text Label 14500 8250 2    50   ~ 0
D4
Text Label 14500 8350 2    50   ~ 0
D5
Text Label 14500 8450 2    50   ~ 0
D6
Text Label 14500 8550 2    50   ~ 0
D7
Text Label 14550 8650 2    50   ~ 0
CLK
Wire Wire Line
	14400 8650 14550 8650
Text Label 14500 8750 0    50   ~ 0
CLK_PHASE1
Text Label 14500 8850 0    50   ~ 0
CLK_PHASE2
Text Label 14500 8950 2    50   ~ 0
IRQ
Text Label 14500 9050 2    50   ~ 0
NMI
Text Label 14500 9150 2    50   ~ 0
RW
$Comp
L 74xx:74HCT541 U10
U 1 1 60BC8AA5
P 8000 9100
F 0 "U10" H 8000 10085 50  0000 C CNN
F 1 "74HCT541" H 8000 9992 50  0000 C CNN
F 2 "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" H 8000 9100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HCT541" H 8000 9100 50  0001 C CNN
	1    8000 9100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 8600 8600 8600
Wire Wire Line
	8500 8700 8600 8700
Wire Wire Line
	8500 8800 8600 8800
Wire Wire Line
	8500 8900 8600 8900
Wire Wire Line
	8500 9000 8600 9000
Wire Wire Line
	8500 9100 8600 9100
Wire Wire Line
	8500 9200 8600 9200
Wire Wire Line
	8500 9300 8600 9300
Wire Wire Line
	7500 8600 7400 8600
Wire Wire Line
	7500 8700 7400 8700
Wire Wire Line
	7500 8800 7400 8800
Wire Wire Line
	7500 8900 7400 8900
Wire Wire Line
	7500 9000 7400 9000
Wire Wire Line
	7500 9100 7400 9100
Wire Wire Line
	7500 9200 7400 9200
Wire Wire Line
	7500 9300 7400 9300
$Comp
L power:GNDREF #PWR05
U 1 1 60D7BC3C
P 8000 9950
F 0 "#PWR05" H 8000 9700 50  0001 C CNN
F 1 "GNDREF" H 8005 9775 50  0000 C CNN
F 2 "" H 8000 9950 50  0001 C CNN
F 3 "" H 8000 9950 50  0001 C CNN
	1    8000 9950
	1    0    0    -1  
$EndComp
Text GLabel 8000 8300 0    50   Input ~ 0
vdd
Wire Wire Line
	8000 9950 8000 9900
Wire Wire Line
	7500 9600 7500 9950
Wire Wire Line
	7500 9950 8000 9950
Connection ~ 8000 9950
Text Label 7400 8600 0    50   ~ 0
PA0
Text Label 7400 8700 0    50   ~ 0
PA1
Text Label 7400 8800 0    50   ~ 0
PA2
Text Label 7400 8900 0    50   ~ 0
PA3
Text Label 7400 9000 0    50   ~ 0
PA4
Text Label 7400 9100 0    50   ~ 0
PA5
Text Label 7400 9200 0    50   ~ 0
PA6
Text Label 7400 9300 0    50   ~ 0
PA7
Text Label 8600 8600 0    50   ~ 0
LED0
Text Label 8600 8700 0    50   ~ 0
LED1
Text Label 8600 8800 0    50   ~ 0
LED2
Text Label 8600 8900 0    50   ~ 0
LED3
Text Label 8600 9000 0    50   ~ 0
LED4
Text Label 8600 9100 0    50   ~ 0
LED5
Text Label 8600 9200 0    50   ~ 0
LED6
Text Label 8600 9300 0    50   ~ 0
LED7
Text Label 10800 8300 0    50   ~ 0
LED0
Text Label 10550 8300 0    50   ~ 0
LED1
Text Label 10300 8300 0    50   ~ 0
LED2
Text Label 10050 8300 0    50   ~ 0
LED3
Text Label 9800 8300 0    50   ~ 0
LED4
Text Label 9550 8300 0    50   ~ 0
LED5
Text Label 9300 8300 0    50   ~ 0
LED6
Text Label 9050 8300 0    50   ~ 0
LED7
Wire Notes Line
	7050 8050 11200 8050
Wire Notes Line
	11200 8050 11200 10300
Wire Notes Line
	7050 10300 7050 8050
Text Notes 10350 9700 0    50   ~ 0
LEDs with buffer\n
Wire Wire Line
	7500 9500 7400 9500
Text Label 7400 9500 2    50   ~ 0
LED_EN
$Comp
L power:GNDREF #PWR023
U 1 1 61031CD9
P 9350 9950
F 0 "#PWR023" H 9350 9700 50  0001 C CNN
F 1 "GNDREF" H 9355 9775 50  0000 C CNN
F 2 "" H 9350 9950 50  0001 C CNN
F 3 "" H 9350 9950 50  0001 C CNN
	1    9350 9950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9350 9900 9350 9950
$Comp
L Connector_Generic:Conn_01x02 J2
U 1 1 6100F622
P 9550 9800
F 0 "J2" H 9630 9793 50  0000 L CNN
F 1 "Conn_01x02" H 9630 9700 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 9550 9800 50  0001 C CNN
F 3 "~" H 9550 9800 50  0001 C CNN
	1    9550 9800
	1    0    0    -1  
$EndComp
Text GLabel 9350 9300 0    50   Input ~ 0
vdd
Wire Wire Line
	9350 9350 9350 9300
Wire Wire Line
	9350 9650 9350 9700
$Comp
L Device:R_US R8
U 1 1 60FCDF63
P 9350 9500
F 0 "R8" H 9419 9547 50  0000 L CNN
F 1 "3.3k" H 9419 9454 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 9390 9490 50  0001 C CNN
F 3 "~" H 9350 9500 50  0001 C CNN
	1    9350 9500
	1    0    0    -1  
$EndComp
Wire Notes Line
	11200 10300 7050 10300
Wire Wire Line
	9350 9700 9200 9700
Connection ~ 9350 9700
Wire Wire Line
	9350 9700 9350 9800
Text Label 9200 9700 2    50   ~ 0
LED_EN
Text Label 10650 5800 0    50   ~ 0
RW
Text Label 10650 5300 0    50   ~ 0
A0
Text Label 10650 5400 0    50   ~ 0
A1
Text Label 8250 5000 2    50   ~ 0
DECODE
Text Label 10650 5100 2    50   ~ 0
DECODE
Wire Wire Line
	13400 2900 13300 2900
Wire Wire Line
	13400 3000 13300 3000
Wire Wire Line
	13400 3100 13300 3100
Text Label 13300 2900 0    50   ~ 0
RW
$Comp
L 74xx:74HC14 U11
U 1 1 60BE5870
P 3150 8500
F 0 "U11" H 3150 8820 50  0000 C CNN
F 1 "74HC14" H 3150 8727 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 3150 8500 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 3150 8500 50  0001 C CNN
	1    3150 8500
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U11
U 7 1 60BE715A
P 4750 1200
F 0 "U11" H 4980 1247 50  0000 L CNN
F 1 "74HC14" H 4980 1154 50  0000 L CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 4750 1200 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 4750 1200 50  0001 C CNN
	7    4750 1200
	1    0    0    -1  
$EndComp
Text GLabel 4750 700  0    50   Input ~ 0
vdd
$Comp
L power:GNDREF #PWR024
U 1 1 60BEAF86
P 4750 1700
F 0 "#PWR024" H 4750 1450 50  0001 C CNN
F 1 "GNDREF" H 4755 1525 50  0000 C CNN
F 2 "" H 4750 1700 50  0001 C CNN
F 3 "" H 4750 1700 50  0001 C CNN
	1    4750 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:C C14
U 1 1 60BED26C
P 10600 1250
F 0 "C14" H 10715 1297 50  0000 L CNN
F 1 "100n" H 10715 1204 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 10638 1100 50  0001 C CNN
F 3 "~" H 10600 1250 50  0001 C CNN
	1    10600 1250
	1    0    0    -1  
$EndComp
Text GLabel 10600 1100 1    50   Input ~ 0
vdd
$Comp
L power:GNDREF #PWR026
U 1 1 60BED273
P 10600 1400
F 0 "#PWR026" H 10600 1150 50  0001 C CNN
F 1 "GNDREF" H 10605 1227 50  0000 C CNN
F 2 "" H 10600 1400 50  0001 C CNN
F 3 "" H 10600 1400 50  0001 C CNN
	1    10600 1400
	1    0    0    -1  
$EndComp
Text Label 2850 8500 2    50   ~ 0
A15
Text Label 3450 8500 0    50   ~ 0
_A15
Wire Wire Line
	13300 3000 13300 3100
Text Label 13300 3000 2    50   ~ 0
_A15
Wire Wire Line
	14700 5500 14700 5800
Wire Wire Line
	14400 5500 14700 5500
Text Label 14700 5500 0    50   ~ 0
A15
Text GLabel 14500 7750 2    50   Input ~ 0
vdd
Wire Wire Line
	14400 7750 14500 7750
$Comp
L power:GNDREF #PWR028
U 1 1 6120952F
P 14400 9250
F 0 "#PWR028" H 14400 9000 50  0001 C CNN
F 1 "GNDREF" H 14405 9075 50  0000 C CNN
F 2 "" H 14400 9250 50  0001 C CNN
F 3 "" H 14400 9250 50  0001 C CNN
	1    14400 9250
	1    0    0    -1  
$EndComp
Wire Wire Line
	9550 6700 9650 6700
Wire Wire Line
	9550 6600 9650 6600
Wire Wire Line
	9550 5500 9650 5500
Wire Wire Line
	9550 5400 9650 5400
Text Label 9650 5400 0    50   ~ 0
CA1
Text Label 9650 5500 0    50   ~ 0
CA2
Text Label 9650 6600 0    50   ~ 0
CB1
Text Label 9650 6700 0    50   ~ 0
CB2
Text Label 12050 4800 0    50   ~ 0
RxC
Text Label 12050 5300 0    50   ~ 0
TxD
Text Label 12050 5400 0    50   ~ 0
RxD
Text Label 12050 5600 0    50   ~ 0
RTS
Text Label 12050 5700 0    50   ~ 0
CTS
Text Label 12050 5900 0    50   ~ 0
DTR
Text Label 12050 6000 0    50   ~ 0
DSR
Text Label 12050 6200 0    50   ~ 0
DCD
Wire Wire Line
	11950 6200 12050 6200
Wire Wire Line
	11950 5900 12050 5900
Wire Wire Line
	11950 5300 12050 5300
Text Label 12550 8950 2    50   ~ 0
DCD
Text Label 12550 8750 2    50   ~ 0
DTR
Text Label 12550 8650 2    50   ~ 0
CTS
Text Label 12550 8550 2    50   ~ 0
RTS
Text Label 12550 8450 2    50   ~ 0
RxD
Text Label 12550 8350 2    50   ~ 0
TxD
Text Label 12550 8250 2    50   ~ 0
RxC
Text Label 12550 8150 2    50   ~ 0
CB2
Text Label 12550 8050 2    50   ~ 0
CB1
Text Label 12550 7950 2    50   ~ 0
CA2
Text Label 12550 7850 2    50   ~ 0
CA1
Text Label 12550 9050 2    50   ~ 0
RES
Text Label 12500 7750 2    50   ~ 0
DECODE
Wire Wire Line
	12500 7750 12650 7750
Text Label 13250 9250 0    50   ~ 0
PB7
Text Label 13250 9150 0    50   ~ 0
PB6
Text Label 13250 9050 0    50   ~ 0
PB5
Text Label 13250 8950 0    50   ~ 0
PB4
Text Label 13250 8850 0    50   ~ 0
PB3
Text Label 13250 8750 0    50   ~ 0
PB2
Text Label 13250 8650 0    50   ~ 0
PB1
Text Label 13250 8550 0    50   ~ 0
PB0
Text Label 13250 8450 0    50   ~ 0
PA7
Text Label 13250 8350 0    50   ~ 0
PA6
Text Label 13250 8250 0    50   ~ 0
PA5
Text Label 13250 8150 0    50   ~ 0
PA4
Text Label 13250 8050 0    50   ~ 0
PA3
Text Label 13250 7950 0    50   ~ 0
PA2
Text Label 13250 7850 0    50   ~ 0
PA1
Text Label 13250 7750 0    50   ~ 0
PA0
Wire Wire Line
	12650 9150 12550 9150
Wire Wire Line
	12650 9050 12550 9050
Wire Wire Line
	12650 8950 12550 8950
Wire Wire Line
	12650 8750 12550 8750
Wire Wire Line
	12650 8650 12550 8650
Wire Wire Line
	12650 8550 12550 8550
Wire Wire Line
	12650 8450 12550 8450
Wire Wire Line
	12650 8350 12550 8350
Wire Wire Line
	12650 8250 12550 8250
Wire Wire Line
	12650 8150 12550 8150
Wire Wire Line
	12650 8050 12550 8050
Wire Wire Line
	12650 7950 12550 7950
Wire Wire Line
	12650 7850 12550 7850
Wire Wire Line
	13150 9250 13250 9250
Wire Wire Line
	13150 9150 13250 9150
Wire Wire Line
	13150 9050 13250 9050
Wire Wire Line
	13150 8950 13250 8950
Wire Wire Line
	13150 8850 13250 8850
Wire Wire Line
	13150 8750 13250 8750
Wire Wire Line
	13150 8650 13250 8650
Wire Wire Line
	13150 8550 13250 8550
Wire Wire Line
	13150 8450 13250 8450
Wire Wire Line
	13150 8350 13250 8350
Wire Wire Line
	13150 8250 13250 8250
Wire Wire Line
	13150 8150 13250 8150
Wire Wire Line
	13150 8050 13250 8050
Wire Wire Line
	13150 7950 13250 7950
Wire Wire Line
	13150 7850 13250 7850
Wire Wire Line
	13150 7750 13250 7750
$Comp
L Connector_Generic:Conn_02x16_Odd_Even J3
U 1 1 60CC125B
P 12850 8450
F 0 "J3" H 12900 9367 50  0000 C CNN
F 1 "Conn_02x16_Odd_Even" H 12900 9276 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x16_P2.54mm_Vertical" H 12850 8450 50  0001 C CNN
F 3 "~" H 12850 8450 50  0001 C CNN
	1    12850 8450
	1    0    0    -1  
$EndComp
$Comp
L 65xxlibrary:6551 U4
U 1 1 5FE83E6B
P 11350 5600
F 0 "U4" H 11350 7232 50  0000 C CNN
F 1 "6551" H 11350 7139 50  0000 C CIB
F 2 "Package_DIP:DIP-28_W15.24mm" H 11350 5750 50  0001 C CNN
F 3 "http://www.6502.org/documents/datasheets/mos/mos_6551_acia.pdf" H 11350 5750 50  0001 C CNN
	1    11350 5600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C15
U 1 1 61437F6E
P 4450 3250
F 0 "C15" H 4335 3203 50  0000 R CNN
F 1 "1u" H 4335 3296 50  0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 4488 3100 50  0001 C CNN
F 3 "~" H 4450 3250 50  0001 C CNN
	1    4450 3250
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R18
U 1 1 61437F74
P 4050 3050
F 0 "R18" H 4119 3097 50  0000 L CNN
F 1 "1k" H 4119 3004 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 4090 3040 50  0001 C CNN
F 3 "~" H 4050 3050 50  0001 C CNN
	1    4050 3050
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R17
U 1 1 61437F7A
P 3600 3250
F 0 "R17" H 3669 3297 50  0000 L CNN
F 1 "1k" H 3669 3204 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 3640 3240 50  0001 C CNN
F 3 "~" H 3600 3250 50  0001 C CNN
	1    3600 3250
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW2
U 1 1 61437F80
P 3600 2750
F 0 "SW2" V 3647 2701 50  0000 R CNN
F 1 "SW_Push" V 3554 2701 50  0000 R CNN
F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm" H 3600 2950 50  0001 C CNN
F 3 "" H 3600 2950 50  0001 C CNN
	1    3600 2750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4450 3050 4450 3100
Wire Wire Line
	4450 3450 4450 3400
Wire Wire Line
	3600 2550 3600 2500
Text GLabel 3600 2500 1    50   Input ~ 0
vdd
Text Notes 4250 2550 0    50   ~ 0
NMI pushbutton
Wire Wire Line
	3600 3450 4000 3450
Wire Wire Line
	4200 3050 4450 3050
Connection ~ 4450 3050
Wire Wire Line
	3900 3050 3600 3050
Wire Wire Line
	3600 2950 3600 3050
Wire Wire Line
	3600 3100 3600 3050
Connection ~ 3600 3050
Wire Wire Line
	3600 3400 3600 3450
Wire Wire Line
	4450 3050 4650 3050
$Comp
L power:GNDREF #PWR029
U 1 1 61437F94
P 4000 3450
F 0 "#PWR029" H 4000 3200 50  0001 C CNN
F 1 "GNDREF" H 4005 3277 50  0000 C CNN
F 2 "" H 4000 3450 50  0001 C CNN
F 3 "" H 4000 3450 50  0001 C CNN
	1    4000 3450
	1    0    0    -1  
$EndComp
Connection ~ 4000 3450
Wire Wire Line
	4000 3450 4450 3450
Wire Wire Line
	5250 3050 5350 3050
Text Label 5350 3050 2    50   ~ 0
NMI
Wire Notes Line
	3350 2250 3350 3700
Wire Notes Line
	3350 3700 5450 3700
Wire Notes Line
	5450 3700 5450 2250
Wire Notes Line
	5450 2250 3350 2250
$Comp
L power:GNDREF #PWR025
U 1 1 60B7BF15
P 8250 5100
F 0 "#PWR025" H 8250 4850 50  0001 C CNN
F 1 "GNDREF" V 8255 4971 50  0000 R CNN
F 2 "" H 8250 5100 50  0001 C CNN
F 3 "" H 8250 5100 50  0001 C CNN
	1    8250 5100
	0    1    1    0   
$EndComp
Text Label 8250 5800 0    50   ~ 0
RW
Text Label 8250 5600 0    50   ~ 0
A3
Text Label 8250 5500 0    50   ~ 0
A2
Text Label 8250 5400 0    50   ~ 0
A1
Text Label 8250 5300 0    50   ~ 0
A0
Wire Wire Line
	8350 5800 8250 5800
Wire Wire Line
	8350 5600 8250 5600
Wire Wire Line
	8350 5500 8250 5500
Wire Wire Line
	8350 5400 8250 5400
Wire Wire Line
	8350 5300 8250 5300
Wire Wire Line
	14400 5800 14700 5800
Text Label 14500 5600 0    50   ~ 0
RW
Wire Wire Line
	14400 5600 14500 5600
Text Label 10650 4500 0    50   ~ 0
RES
Wire Wire Line
	12650 9250 12550 9250
Text Label 12550 9150 2    50   ~ 0
RDY
Text Label 12550 9250 2    50   ~ 0
SYNC
Text GLabel 5950 6800 0    50   Input ~ 0
vdd
$Comp
L Device:R_US R7
U 1 1 60C3E43C
P 5550 5700
F 0 "R7" H 5619 5747 50  0000 L CNN
F 1 "3.3k" H 5619 5654 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 5590 5690 50  0001 C CNN
F 3 "~" H 5550 5700 50  0001 C CNN
	1    5550 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 5550 5550 5500
Text GLabel 5550 5500 1    50   Input ~ 0
vdd
Wire Wire Line
	5550 5850 5550 5900
Wire Wire Line
	5550 5900 6050 5900
$Comp
L Connector:Conn_01x03_Male J6
U 1 1 60C9DA07
P 13550 7100
F 0 "J6" H 13523 7031 50  0000 R CNN
F 1 "Conn_01x03_Male" H 13523 7124 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 13550 7100 50  0001 C CNN
F 3 "~" H 13550 7100 50  0001 C CNN
	1    13550 7100
	-1   0    0    1   
$EndComp
$Comp
L power:GNDREF #PWR0101
U 1 1 60CA80FA
P 13350 7200
F 0 "#PWR0101" H 13350 6950 50  0001 C CNN
F 1 "GNDREF" H 13355 7025 50  0000 C CNN
F 2 "" H 13350 7200 50  0001 C CNN
F 3 "" H 13350 7200 50  0001 C CNN
	1    13350 7200
	1    0    0    -1  
$EndComp
Text Label 13350 7100 2    50   ~ 0
RxD
$Comp
L Connector:Conn_01x03_Male J7
U 1 1 60E114D2
P 800 900
F 0 "J7" H 908 1185 50  0000 C CNN
F 1 "Conn_01x03_Male" H 908 1092 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 800 900 50  0001 C CNN
F 3 "~" H 800 900 50  0001 C CNN
	1    800  900 
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x03_Male J8
U 1 1 60E12AC2
P 1550 900
F 0 "J8" H 1658 1185 50  0000 C CNN
F 1 "Conn_01x03_Male" H 1658 1092 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 1550 900 50  0001 C CNN
F 3 "~" H 1550 900 50  0001 C CNN
	1    1550 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	1000 800  1000 900 
Connection ~ 1000 900 
Wire Wire Line
	1000 900  1000 1000
Text GLabel 1000 950  2    50   Input ~ 0
voltage
Wire Wire Line
	1750 800  1750 850 
Connection ~ 1750 900 
Wire Wire Line
	1750 900  1750 1000
$Comp
L power:GNDREF #PWR0104
U 1 1 60E6DC3D
P 2000 850
F 0 "#PWR0104" H 2000 600 50  0001 C CNN
F 1 "GNDREF" H 2005 675 50  0000 C CNN
F 2 "" H 2000 850 50  0001 C CNN
F 3 "" H 2000 850 50  0001 C CNN
	1    2000 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 850  1750 850 
Connection ~ 1750 850 
Wire Wire Line
	1750 850  1750 900 
$Comp
L Device:LED_Small D9
U 1 1 60F3BBE9
P 10800 8500
F 0 "D9" V 10847 8431 50  0000 R CNN
F 1 "LED" V 10754 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10800 8500 50  0001 C CNN
F 3 "~" V 10800 8500 50  0001 C CNN
	1    10800 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D8
U 1 1 60F3BBE2
P 10550 8500
F 0 "D8" V 10597 8431 50  0000 R CNN
F 1 "LED" V 10504 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10550 8500 50  0001 C CNN
F 3 "~" V 10550 8500 50  0001 C CNN
	1    10550 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D7
U 1 1 60F3BBDB
P 10300 8500
F 0 "D7" V 10347 8431 50  0000 R CNN
F 1 "LED" V 10254 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10300 8500 50  0001 C CNN
F 3 "~" V 10300 8500 50  0001 C CNN
	1    10300 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D6
U 1 1 60F1E377
P 10050 8500
F 0 "D6" V 10097 8431 50  0000 R CNN
F 1 "LED" V 10004 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10050 8500 50  0001 C CNN
F 3 "~" V 10050 8500 50  0001 C CNN
	1    10050 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D5
U 1 1 60F00BB9
P 9800 8500
F 0 "D5" V 9847 8431 50  0000 R CNN
F 1 "LED" V 9754 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9800 8500 50  0001 C CNN
F 3 "~" V 9800 8500 50  0001 C CNN
	1    9800 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D4
U 1 1 60EE3400
P 9550 8500
F 0 "D4" V 9597 8431 50  0000 R CNN
F 1 "LED" V 9504 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9550 8500 50  0001 C CNN
F 3 "~" V 9550 8500 50  0001 C CNN
	1    9550 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D3
U 1 1 60EC5C4C
P 9300 8500
F 0 "D3" V 9347 8431 50  0000 R CNN
F 1 "LED" V 9254 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9300 8500 50  0001 C CNN
F 3 "~" V 9300 8500 50  0001 C CNN
	1    9300 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED_Small D2
U 1 1 60EC5A20
P 9050 8500
F 0 "D2" V 9097 8431 50  0000 R CNN
F 1 "LED" V 9004 8431 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9050 8500 50  0001 C CNN
F 3 "~" V 9050 8500 50  0001 C CNN
	1    9050 8500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small_US R16
U 1 1 60C23B3A
P 10800 8800
F 0 "R16" H 10869 8847 50  0000 L CNN
F 1 "600" H 10869 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 10800 8800 50  0001 C CNN
F 3 "~" H 10800 8800 50  0001 C CNN
	1    10800 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R15
U 1 1 60C23B33
P 10550 8800
F 0 "R15" H 10619 8847 50  0000 L CNN
F 1 "600" H 10619 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 10550 8800 50  0001 C CNN
F 3 "~" H 10550 8800 50  0001 C CNN
	1    10550 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R14
U 1 1 60C23B2C
P 10300 8800
F 0 "R14" H 10369 8847 50  0000 L CNN
F 1 "600" H 10369 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 10300 8800 50  0001 C CNN
F 3 "~" H 10300 8800 50  0001 C CNN
	1    10300 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R13
U 1 1 60C23B25
P 10050 8800
F 0 "R13" H 10119 8847 50  0000 L CNN
F 1 "600" H 10119 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 10050 8800 50  0001 C CNN
F 3 "~" H 10050 8800 50  0001 C CNN
	1    10050 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R12
U 1 1 60C0910B
P 9800 8800
F 0 "R12" H 9869 8847 50  0000 L CNN
F 1 "600" H 9869 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9800 8800 50  0001 C CNN
F 3 "~" H 9800 8800 50  0001 C CNN
	1    9800 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R11
U 1 1 60C09104
P 9550 8800
F 0 "R11" H 9619 8847 50  0000 L CNN
F 1 "600" H 9619 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9550 8800 50  0001 C CNN
F 3 "~" H 9550 8800 50  0001 C CNN
	1    9550 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R10
U 1 1 60BEE6E8
P 9300 8800
F 0 "R10" H 9369 8847 50  0000 L CNN
F 1 "600" H 9369 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9300 8800 50  0001 C CNN
F 3 "~" H 9300 8800 50  0001 C CNN
	1    9300 8800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R9
U 1 1 60B4E934
P 9050 8800
F 0 "R9" H 9119 8847 50  0000 L CNN
F 1 "600" H 9119 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9050 8800 50  0001 C CNN
F 3 "~" H 9050 8800 50  0001 C CNN
	1    9050 8800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9300 8400 9300 8300
Wire Wire Line
	9550 8400 9550 8300
Wire Wire Line
	9800 8400 9800 8300
Wire Wire Line
	10050 8400 10050 8300
Wire Wire Line
	10300 8400 10300 8300
Wire Wire Line
	10550 8400 10550 8300
Wire Wire Line
	10800 8300 10800 8400
Wire Wire Line
	9050 8300 9050 8400
Wire Wire Line
	10800 9100 10550 9100
Connection ~ 10550 9100
Wire Wire Line
	10550 8900 10550 9100
Wire Wire Line
	10550 9100 10300 9100
Connection ~ 10300 9100
Wire Wire Line
	10300 8900 10300 9100
Wire Wire Line
	10300 9100 10050 9100
Connection ~ 10050 9100
Wire Wire Line
	10050 8900 10050 9100
Wire Wire Line
	10050 9100 9950 9100
Connection ~ 9800 9100
Wire Wire Line
	9800 8900 9800 9100
Wire Wire Line
	9800 9100 9550 9100
Connection ~ 9550 9100
Wire Wire Line
	9550 8900 9550 9100
Wire Wire Line
	9550 9100 9300 9100
Wire Wire Line
	9300 9100 9050 9100
Connection ~ 9300 9100
Wire Wire Line
	9300 8900 9300 9100
Wire Wire Line
	10800 8900 10800 9100
Wire Wire Line
	9050 8900 9050 9100
Wire Wire Line
	10800 8700 10800 8600
Wire Wire Line
	10550 8700 10550 8600
Wire Wire Line
	10300 8700 10300 8600
Wire Wire Line
	10050 8700 10050 8600
Wire Wire Line
	9800 8700 9800 8600
Wire Wire Line
	9550 8700 9550 8600
Wire Wire Line
	9300 8700 9300 8600
Wire Wire Line
	9050 8700 9050 8600
$Comp
L power:GNDREF #PWR0105
U 1 1 6103261F
P 9950 9250
F 0 "#PWR0105" H 9950 9000 50  0001 C CNN
F 1 "GNDREF" H 9955 9075 50  0000 C CNN
F 2 "" H 9950 9250 50  0001 C CNN
F 3 "" H 9950 9250 50  0001 C CNN
	1    9950 9250
	1    0    0    -1  
$EndComp
Wire Wire Line
	9950 9100 9950 9250
Connection ~ 9950 9100
Wire Wire Line
	9950 9100 9800 9100
Wire Notes Line
	4000 5950 750  5950
Wire Notes Line
	4000 4100 4000 5950
$Comp
L 74xx:74HC14 U9
U 1 1 60B12073
P 1200 9250
F 0 "U9" H 1200 9570 50  0000 C CNN
F 1 "74HC14" H 1200 9477 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 1200 9250 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 1200 9250 50  0001 C CNN
	1    1200 9250
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U11
U 2 1 61465727
P 4950 3050
F 0 "U11" H 4950 3370 50  0000 C CNN
F 1 "74HC14" H 4950 3277 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 4950 3050 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 4950 3050 50  0001 C CNN
	2    4950 3050
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4002 U6
U 1 1 60C57893
P 1900 8500
F 0 "U6" H 1900 8879 50  0000 C CNN
F 1 "4002" H 1900 8786 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 1900 8500 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4000bms-01bms-02bms-25bms.pdf" H 1900 8500 50  0001 C CNN
	1    1900 8500
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4002 U6
U 2 1 60C58197
P 1900 9200
F 0 "U6" H 1900 9579 50  0000 C CNN
F 1 "4002" H 1900 9486 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 1900 9200 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4000bms-01bms-02bms-25bms.pdf" H 1900 9200 50  0001 C CNN
	2    1900 9200
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4002 U6
U 3 1 60C5B09F
P 5500 1200
F 0 "U6" H 5730 1247 50  0000 L CNN
F 1 "4002" H 5730 1154 50  0000 L CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 5500 1200 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4000bms-01bms-02bms-25bms.pdf" H 5500 1200 50  0001 C CNN
	3    5500 1200
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4002 U12
U 1 1 60C5BFCB
P 2750 9750
F 0 "U12" H 2750 10129 50  0000 C CNN
F 1 "4002" H 2750 10036 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 2750 9750 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4000bms-01bms-02bms-25bms.pdf" H 2750 9750 50  0001 C CNN
	1    2750 9750
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4002 U12
U 2 1 60C5D805
P 1900 9850
F 0 "U12" H 1900 10229 50  0000 C CNN
F 1 "4002" H 1900 10136 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 1900 9850 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4000bms-01bms-02bms-25bms.pdf" H 1900 9850 50  0001 C CNN
	2    1900 9850
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4002 U12
U 3 1 60C5F82A
P 6200 1200
F 0 "U12" H 6430 1247 50  0000 L CNN
F 1 "4002" H 6430 1154 50  0000 L CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 6200 1200 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4000bms-01bms-02bms-25bms.pdf" H 6200 1200 50  0001 C CNN
	3    6200 1200
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4081 U5
U 1 1 60CFE6C3
P 2850 9100
F 0 "U5" H 2850 9429 50  0000 C CNN
F 1 "4081" H 2850 9336 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 2850 9100 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4073bms-81bms-82bms.pdf" H 2850 9100 50  0001 C CNN
	1    2850 9100
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4081 U5
U 2 1 60D036D8
P 3450 9200
F 0 "U5" H 3450 9529 50  0000 C CNN
F 1 "4081" H 3450 9436 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 3450 9200 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4073bms-81bms-82bms.pdf" H 3450 9200 50  0001 C CNN
	2    3450 9200
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4081 U5
U 3 1 60D04AD5
P 4150 9300
F 0 "U5" H 4150 9629 50  0000 C CNN
F 1 "4081" H 4150 9536 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 4150 9300 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4073bms-81bms-82bms.pdf" H 4150 9300 50  0001 C CNN
	3    4150 9300
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4081 U5
U 4 1 60D06A06
P 1200 9850
F 0 "U5" H 1200 10179 50  0000 C CNN
F 1 "4081" H 1200 10086 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 1200 9850 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4073bms-81bms-82bms.pdf" H 1200 9850 50  0001 C CNN
	4    1200 9850
	1    0    0    -1  
$EndComp
$Comp
L 4xxx:4081 U5
U 5 1 60D09F36
P 7700 1200
F 0 "U5" H 7930 1247 50  0000 L CNN
F 1 "4081" H 7930 1154 50  0000 L CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 7700 1200 50  0001 C CNN
F 3 "http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4073bms-81bms-82bms.pdf" H 7700 1200 50  0001 C CNN
	5    7700 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 9000 2550 9000
Wire Wire Line
	2200 9200 2550 9200
Wire Wire Line
	3150 9750 3150 9300
Wire Wire Line
	3850 9750 3750 9750
Wire Wire Line
	3850 9400 3850 9750
Text Label 3750 9750 2    50   ~ 0
A4
Wire Wire Line
	3750 9200 3800 9200
Wire Wire Line
	3800 9200 3800 8800
Wire Wire Line
	3800 8800 4000 8800
Connection ~ 3800 9200
Wire Wire Line
	3800 9200 3850 9200
Text Label 4000 8800 0    50   ~ 0
DECODE_EN
Wire Notes Line
	750  10550 4800 10550
Wire Notes Line
	750  8050 4800 8050
Text GLabel 7700 700  0    50   Input ~ 0
vdd
$Comp
L power:GNDREF #PWR01
U 1 1 610C46DA
P 7700 1700
F 0 "#PWR01" H 7700 1450 50  0001 C CNN
F 1 "GNDREF" H 7705 1525 50  0000 C CNN
F 2 "" H 7700 1700 50  0001 C CNN
F 3 "" H 7700 1700 50  0001 C CNN
	1    7700 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:C C13
U 1 1 610C6C6B
P 8900 1250
F 0 "C13" H 9015 1297 50  0000 L CNN
F 1 "100n" H 9015 1204 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 8938 1100 50  0001 C CNN
F 3 "~" H 8900 1250 50  0001 C CNN
	1    8900 1250
	1    0    0    -1  
$EndComp
Text GLabel 8900 1100 1    50   Input ~ 0
vdd
$Comp
L power:GNDREF #PWR027
U 1 1 610C6C72
P 8900 1400
F 0 "#PWR027" H 8900 1150 50  0001 C CNN
F 1 "GNDREF" H 8905 1227 50  0000 C CNN
F 2 "" H 8900 1400 50  0001 C CNN
F 3 "" H 8900 1400 50  0001 C CNN
	1    8900 1400
	1    0    0    -1  
$EndComp
Text Label 10650 5000 2    50   ~ 0
DECODE_EN
$Comp
L power:GNDREF #PWR0106
U 1 1 611B838A
P 1350 10250
F 0 "#PWR0106" H 1350 10000 50  0001 C CNN
F 1 "GNDREF" H 1355 10075 50  0000 C CNN
F 2 "" H 1350 10250 50  0001 C CNN
F 3 "" H 1350 10250 50  0001 C CNN
	1    1350 10250
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  9750 900  9950
Wire Wire Line
	900  9950 900  10250
Wire Wire Line
	900  10250 1350 10250
Connection ~ 900  9950
Wire Wire Line
	1600 9700 1600 9800
Wire Wire Line
	1600 10250 1350 10250
Connection ~ 1600 9800
Wire Wire Line
	1600 9800 1600 9900
Connection ~ 1600 9900
Wire Wire Line
	1600 9900 1600 10000
Connection ~ 1600 10000
Wire Wire Line
	1600 10000 1600 10250
Connection ~ 1350 10250
NoConn ~ 1500 9850
NoConn ~ 2200 9850
Wire Notes Line
	4800 8050 4800 10550
Wire Notes Line
	750  8050 750  10550
$Comp
L power:GNDREF #PWR0107
U 1 1 60CA37FC
P 2450 10050
F 0 "#PWR0107" H 2450 9800 50  0001 C CNN
F 1 "GNDREF" H 2455 9875 50  0000 C CNN
F 2 "" H 2450 10050 50  0001 C CNN
F 3 "" H 2450 10050 50  0001 C CNN
	1    2450 10050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 9900 2450 10050
Wire Wire Line
	1750 4950 2100 4950
Connection ~ 2100 4950
Connection ~ 1750 4950
Wire Wire Line
	1750 5400 1750 4950
$Comp
L Device:R_US R19
U 1 1 60F329EA
P 950 5450
F 0 "R19" H 1019 5497 50  0000 L CNN
F 1 "15k" H 1019 5404 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 990 5440 50  0001 C CNN
F 3 "~" H 950 5450 50  0001 C CNN
	1    950  5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  5300 950  4950
Wire Wire Line
	950  4950 1000 4950
Connection ~ 1000 4950
Wire Wire Line
	950  5600 950  5700
$Comp
L power:GNDREF #PWR0108
U 1 1 60F92D95
P 950 5700
F 0 "#PWR0108" H 950 5450 50  0001 C CNN
F 1 "GNDREF" H 955 5525 50  0000 C CNN
F 2 "" H 950 5700 50  0001 C CNN
F 3 "" H 950 5700 50  0001 C CNN
	1    950  5700
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U9
U 2 1 60FDD8CB
P 3200 6600
F 0 "U9" H 3200 6920 50  0000 C CNN
F 1 "74HC14" H 3200 6827 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 3200 6600 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 3200 6600 50  0001 C CNN
	2    3200 6600
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U11
U 3 1 60FE082A
P 3950 6600
F 0 "U11" H 3950 6920 50  0000 C CNN
F 1 "74HC14" H 3950 6827 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 3950 6600 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 3950 6600 50  0001 C CNN
	3    3950 6600
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U11
U 4 1 60FE24F4
P 4700 6600
F 0 "U11" H 4700 6920 50  0000 C CNN
F 1 "74HC14" H 4700 6827 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 4700 6600 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 4700 6600 50  0001 C CNN
	4    4700 6600
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U11
U 5 1 60FE2F4A
P 3550 7150
F 0 "U11" H 3550 7470 50  0000 C CNN
F 1 "74HC14" H 3550 7377 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 3550 7150 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 3550 7150 50  0001 C CNN
	5    3550 7150
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74HC14 U11
U 6 1 60FE5156
P 4350 7150
F 0 "U11" H 4350 7470 50  0000 C CNN
F 1 "74HC14" H 4350 7377 50  0000 C CNN
F 2 "Package_SO:SO-14_3.9x8.65mm_P1.27mm" H 4350 7150 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 4350 7150 50  0001 C CNN
	6    4350 7150
	1    0    0    -1  
$EndComp
NoConn ~ 3500 6600
NoConn ~ 4250 6600
NoConn ~ 5000 6600
NoConn ~ 4650 7150
NoConn ~ 3850 7150
Wire Wire Line
	2900 6600 2900 7150
Wire Wire Line
	2900 7150 3250 7150
Wire Wire Line
	3650 6600 3650 6850
Wire Wire Line
	3650 6850 4050 6850
Wire Wire Line
	4050 6850 4050 7150
Wire Wire Line
	4400 6600 4300 6600
Wire Wire Line
	4300 6600 4300 6850
Wire Wire Line
	4300 6850 4050 6850
Connection ~ 4050 6850
Wire Wire Line
	4050 7150 4050 7500
Connection ~ 4050 7150
Wire Wire Line
	2900 7150 2900 7500
Connection ~ 2900 7150
Wire Notes Line
	2750 6200 5100 6200
Text Notes 4350 7500 0    50   ~ 0
Unused Gates\n
Wire Wire Line
	2900 7500 3800 7500
$Comp
L power:GNDREF #PWR0109
U 1 1 612D9076
P 3800 7500
F 0 "#PWR0109" H 3800 7250 50  0001 C CNN
F 1 "GNDREF" H 3805 7325 50  0000 C CNN
F 2 "" H 3800 7500 50  0001 C CNN
F 3 "" H 3800 7500 50  0001 C CNN
	1    3800 7500
	1    0    0    -1  
$EndComp
Connection ~ 3800 7500
Wire Wire Line
	3800 7500 4050 7500
Wire Notes Line
	5100 7800 2750 7800
Wire Notes Line
	5100 6200 5100 7800
Wire Notes Line
	2750 6200 2750 7800
$Comp
L 65xxlibrary:6502 U2
U 1 1 5FE83CD7
P 6650 5600
F 0 "U2" H 6650 7332 50  0000 C CNN
F 1 "6502" H 6650 7239 50  0000 C CIB
F 2 "Package_DIP:DIP-40_W15.24mm" H 6650 7600 50  0001 C CNN
F 3 "http://www.6502.org/documents/datasheets/mos/mos_6500_mpu_mar_1980.pdf" H 6650 7500 50  0001 C CNN
	1    6650 5600
	1    0    0    -1  
$EndComp
$Comp
L Memory_EEPROM:28C256 U7
U 1 1 60A68306
P 13800 2200
F 0 "U7" H 13800 3482 50  0000 C CNN
F 1 "28C256" H 13800 3389 50  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 13800 2200 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 13800 2200 50  0001 C CNN
	1    13800 2200
	1    0    0    -1  
$EndComp
Text Label 13300 2300 2    50   ~ 0
A10
Text Label 13300 2200 0    50   ~ 0
A9
Text Label 13300 2100 0    50   ~ 0
A8
Text Label 13300 2000 0    50   ~ 0
A7
Text Label 13300 1900 0    50   ~ 0
A6
Text Label 13300 1800 0    50   ~ 0
A5
Wire Wire Line
	13400 2300 13300 2300
Wire Wire Line
	13400 2200 13300 2200
Wire Wire Line
	13400 2100 13300 2100
Wire Wire Line
	13400 2000 13300 2000
Wire Wire Line
	13400 1900 13300 1900
Wire Wire Line
	13400 1800 13300 1800
Text Label 14300 2000 0    50   ~ 0
D7
Text Label 14300 1900 0    50   ~ 0
D6
Text Label 14300 1800 0    50   ~ 0
D5
Wire Wire Line
	14200 2000 14300 2000
Wire Wire Line
	14200 1900 14300 1900
Wire Wire Line
	14200 1800 14300 1800
Text Label 13350 7000 2    50   ~ 0
TxD
Wire Wire Line
	12650 8850 12550 8850
Text Label 12550 8850 2    50   ~ 0
DSR
$Comp
L Device:R_US R20
U 1 1 60F389ED
P 1950 6750
F 0 "R20" H 2019 6797 50  0000 L CNN
F 1 "1M" H 2019 6704 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 1990 6740 50  0001 C CNN
F 3 "~" H 1950 6750 50  0001 C CNN
	1    1950 6750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 6600 1950 6500
Wire Wire Line
	1350 6500 1950 6500
Wire Wire Line
	1950 6900 1950 7050
Wire Wire Line
	1350 7050 1950 7050
$Comp
L Device:C_Small C9
U 1 1 60F9E3DB
P 900 6900
F 0 "C9" H 992 6947 50  0000 L CNN
F 1 "30p" H 992 6854 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 900 6900 50  0001 C CNN
F 3 "~" H 900 6900 50  0001 C CNN
	1    900  6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  6800 900  6500
Wire Wire Line
	900  6500 1350 6500
Connection ~ 1350 6500
$Comp
L power:GNDREF #PWR030
U 1 1 60FD3107
P 900 7100
F 0 "#PWR030" H 900 6850 50  0001 C CNN
F 1 "GNDREF" H 905 6925 50  0000 C CNN
F 2 "" H 900 7100 50  0001 C CNN
F 3 "" H 900 7100 50  0001 C CNN
	1    900  7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  7100 900  7000
$Comp
L Device:R_US R22
U 1 1 6104709C
P 11900 9050
F 0 "R22" H 11969 9097 50  0000 L CNN
F 1 "0" H 11969 9004 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 11940 9040 50  0001 C CNN
F 3 "~" H 11900 9050 50  0001 C CNN
	1    11900 9050
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R21
U 1 1 61047556
P 11900 8650
F 0 "R21" H 11969 8697 50  0000 L CNN
F 1 "0" H 11969 8604 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 11940 8640 50  0001 C CNN
F 3 "~" H 11900 8650 50  0001 C CNN
	1    11900 8650
	1    0    0    -1  
$EndComp
Text Label 11900 8500 0    50   ~ 0
DTR
Text Label 11900 8800 0    50   ~ 0
DSR
Wire Wire Line
	11900 8800 11900 8900
Text Label 11900 9200 0    50   ~ 0
DCD
$Comp
L Device:R_US R23
U 1 1 61096901
P 11550 8800
F 0 "R23" H 11619 8847 50  0000 L CNN
F 1 "0" H 11619 8754 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 11590 8790 50  0001 C CNN
F 3 "~" H 11550 8800 50  0001 C CNN
	1    11550 8800
	1    0    0    -1  
$EndComp
Text Label 11550 8650 0    50   ~ 0
RTS
Text Label 11550 8950 0    50   ~ 0
CTS
$EndSCHEMATC