10.4.2.1 FIFO Flag Controller I/O Description
The following table lists the I/O ports of the FIFO Flag Controller.
| Port Name | Size | Type | Required/Optional | Function |
|---|---|---|---|---|
| Clock | 1 | Input | Required | Write and read clock |
| WE | 1 | Input | Required | Write enable associated to the flag logic only |
| RE | 1 | Input | Required | Read enable associated to the flag logic only |
| Aclr | 1 | Input | Required | Asynchronous Clear |
| EF | 1 | Output | Optional | Empty Flag |
| FF | 1 | Output | Optional | Full Flag |
| AEF | 1 | Output | Optional | Almost Empty Flag |
| AFF | 1 | Output | Optional | Almost Full Flag |