SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
Receive flow control is triggered (when enabled), when the number of words in the receive FIFO is greater than or equal to the value writen in the CPSW_PN_RX_FLOW_THRESH_REG[8-0] COUNT bit field. The flow control packet runout is then contained in the remainder of the receive FIFO.