SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
The CPPI port has flow control available for transmit (switch ingress). CPPI receive operations (switch egress) do not require flow control. CPPI Transmit flow control is initiated when enabled and triggered. CPPI transmit flow control is enabled by setting the P0_FLOW_EN bit in the CPSW_FLOW_CONTROL register. CPPI transmit flow control is enabled by default on reset because host packets should not be dropped in any mode of operation.