The powering up and down of the GTM transceiver analog power supplies must follow a specific sequence specified in Xilinx Power Estimator (XPE).
-
Versal ACAP GTM power supply power-up
sequence:
- GTM_AVCC (power-up first)
- GTM_AVCCAUX
- GTM_AVTT
-
Versal ACAP GTM power supply power-down
sequence:
- GTM_AVTT (power-down first)
- GTM_AVCCAUX
- GTM_AVCC
Important: GTM_AVTT must not be powered on while GTM_AVCC is powered off.