The Technical Reference Manual refers to the Data FIFO, the Transmit FIFO and the Receive FIFO. What is the relationship between these FIFOs?
The MMCI consists of one FIFO, the Data FIFO, which can be either disabled, transmit enabled or receive enabled, depending on the value of the TxActive and RxActive signals. The Tx/RxActive signals are mutually exclusive. This FIFO contains a 32-bit wide, 16-word deep buffer and transmit and receive logic. Now the Transmit FIFO refers to the transmit logic and data buffer when TxActive is asserted and the Receive FIFO refers to the receive logic and data buffer when RxActive is asserted.
