38.5.14 Resetting Transmit FIFO

A Transmit FIFO can be reset by:

Setting FRESET (CxFIFOCONy[10]) or
Placing the module in Configuration mode (OPMOD[2:0] = 100).

Resetting the FIFO will reset the head and tail pointers and the CxFIFOSTAy register. The settings in the CxFIFOCONy register will not change.

Before resetting a TX FIFO using FRESET, ensure no transmissions are pending.

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