Analog Power Supply Sequencing

Versal ACAP GTM Transceivers Architecture Manual (AM017)

Document ID
AM017
Release Date
2022-04-27
Revision
1.0 English

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:
    1. GTM_AVCC (power-up first)
    2. GTM_AVCCAUX
    3. GTM_AVTT
  • Versal ACAP GTM power supply power-down sequence:
    1. GTM_AVTT (power-down first)
    2. GTM_AVCCAUX
    3. GTM_AVCC
Important: GTM_AVTT must not be powered on while GTM_AVCC is powered off.