FIFO

The implementation of the FIFO in the NoC router with credit-based flow control is illustrated in Fig. 1. In this FIFO, the read and write pointers are both encoded as one-hot. The FIFO depth is assumed to be 4 slots and each slot can store one flit (which is 32 bits).

Figure 1. Overview of the FIFO in NoC router with credit-based flow control