Ethernet PHY (Three Resets)

VCK190 Evaluation Board User Guide (UG1366)

Document ID
UG1366
Release Date
2023-03-17
Revision
1.1 English

[Figure 1, callout 35]

Each DP83867ISRGZ PHY (GEM0 U198, GEM1 U134) is reset by its GEMx_RESET_B generated by dedicated pushbutton switches and PMC_MIO signals as shown in the following figure. The POR_B signal generated by the TPS389001DSER U10 POR device (activated by pushbutton SW2) is wired in parallel to each Ethernet PHY reset circuit.

Figure 1. Ethernet PHY Reset Circuit