– June 2021
DP83822H , DP83822HF , DP83822I , DP83822IF
PCS Loopback occurs in the PCS layer of the PHY. No signal processing is performed when using PCS Loopback.
PCS Input Loopback is enabled by setting bit in the BISCR.
PCS Output Loopback is enabled by setting bit in the BISCR.