ZHCSKM7G december 2019 – july 2023 DP83826E , DP83826I
PRODUCTION DATA
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[0] in the BISCR.
PCS Output Loopback is enabled by setting bit[1] in the BISCR.