E-Tile Transceiver PHY User Guide

ID 683723
Date 9/30/2022
Public
Document Table of Contents

9.2.3. 0x0003: Data Comparison Set Up and Start/Stop

Attribute Code

0x0003

Description

Sets up and starts/stops data comparisons.

  • 0x84[0]: 1'b1 to enable the data comparison based on the reset of the data bits values
  • 0x84[1]: 1'b0 to compare the ratio of 1s/0s. 1'b1 to compare the sum
  • 0x84[3:2]: 2'h0
  • 0x84[6:4]: 3'b000 to select rx_data as source data for comparison
  • 0x84[6:4]: 3'b010 to select RX pattern generator data as source data for comparison
  • 0x84[6:4]: 3'b011 to select tx_data as source data for comparison
  • 0x84[6:4]: 3'b100 to select tx_prbs as source data for comparison
  • 0x84[6:4]: 3'b110 to select 20'h00000 as source data for comparison
  • 0x84[6:4]: 3'b111 to select 20'hFFFFF as source data for comparison
  • 0x84[7]: 1'b0
  • 0x85[2:0]: 3'b000 to select rx_data as data to be compared against
  • 0x85[2:0]: 3'b010 to select RX pattern generator data as data to be compared against
  • 0x85[2:0]: 3'b011 to select tx_data as data to be compared against
  • 0x85[2:0]: 3'b100 to select tx_prbs as data to be compared against
  • 0x85[2:0]: 3'b110 to select 20'h00000 as data to be compared against
  • 0x85[7:3]: 5'h00

PMA Can Be Running While Updating PMA Attribute?

Yes

Return Value {0x89[7:0],0x88[7:0]}

0x0000: Failed due to background processes. Wait for some time and re-issue.

0x0003: Success

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