TX and RX Power Down

Versal ACAP GTM Transceivers Architecture Manual (AM017)

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TX and RX power control signals can be used independently through CH*_TXPD and CH*_RXPD. Only two power states are supported, as shown in the following table. When using this power-down mechanism, these must be true:

  • CH*_TXPD[1] and CH*_TXPD[0] are connected together.
  • CH*_RXPD[1] and CH*_RXPD[0] are connected together.
Table 1. TX and RX Power States
CH*_TXPD[1:0] or CH*_RXPD[1:0] Description
2'b00 Normal mode. Transceiver TX or RX is actively sending or receiving data.
2'b11 Power-down mode. Transceiver TX or RX is idle.