10.4.6.1 Synchronous Dual Port Fifo with Flags I/O Description

The following figure shows the I/O interface of the Synchronous Dual Port FIFO with Flags.

Figure 10-61. Synchronous Dual Port Fifo with Flags I/O
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The following table lists the I/O ports of the Synchronous Dual Port FIFO with Flags.

Table 10-172. I/O Description
Port NameSizeTypeRequired/OptionalFunction
DataWIDTHInputRequiredInput Data
WE1InputRequiredWrite Enable with the FIFO only (noflag)
RE1InputRequiredRead Enable with the FIFO only (no flag)
WEF1InputRequiredWrite enable associated with the flag logic only (for DX/MX)
REF1InputRequiredRead enable associated with the flag logic only (for DX/MX)
Clock1InputRequiredWrite and read clock
QWIDTHOutputRequiredOutput Data
FF1OutputRequiredFull Flag
EF1OutputRequiredEmpty Flag
AFF1OutputOptionalionalAlmost Full Flag
AEF1OutputOptionalionalAlmost Empty Flag