SLLA680 August   2025

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2DisplayPort Link Training Sequence
  6. 3AUX Transaction Syntax
    1. 3.1 Request Command Definition of AUX Transaction
    2. 3.2 Reply Command Definition of AUX Transaction
  7. 4Introduction of DS90LV047-48AEVM
  8. 5Configuration of Measuring AUX CH With DS90LV047-48AEVM and Logic Analyzer
  9. 6Summary
  10. 7References

3.2 Reply Command Definition of AUX Transaction

Bits 1:0 = Native AUX reply field.

  • 00 = AUX_ACK.
  • 01 = AUX_NACK.
  • 10 = AUX_DEFER.
  • 11 = Reserved.

Bits 3:2 = I2C over AUX reply field.

  • 00 = I2C ACK.
  • 01 = I2C NACK.
  • 10 = I2C DEFER.

11 = Reserved