SLAU882 February   2024 TMUXHS4446

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 TMUXHS4446EVM Configuration
      1. 2.1.1 TMUXHS4446EVM Default Configuration
      2. 2.1.2 High Speed and Low Speed Channel Mapping
      3. 2.1.3 Power
      4. 2.1.4 How to Test USB Mode
      5. 2.1.5 How to Test DisplayPort Mode
  8. 3Hardware Design Files
    1. 3.1 TMUXHS4446EVM Schematics
    2. 3.2 PCB Layouts
    3. 3.3 Bill of Materials
  9. 4Additional Information
    1.     Trademarks

2.1.2 High Speed and Low Speed Channel Mapping

This section describes how to configure the TMUXHS4446 control pins to toggle between USB mode or displayport mode. Channel names are based off of the TMUXHS4446 used in a source-side application.

Table 2-2 High Speed and Low Speed Channel Mapping
System Channel Connector Side Channel
OPEN OPEN USB SS Only USB SS Only (flipped) 4 Ln DP 4 Ln DP (flipped) 2 Ln DP + USB SS 2 Ln DP + USB SS (flipped)
CONF[2:0] = 000 CONF[2:0] = 001 CONF[2:0] = 100 CONF[2:0] = 101 CONF[2:0] = 010 CONF[2:0] = 011 CONF[2:0] = 110 CONF[2:0] = 111
SSTX X X CTX1 CTX2 X X CTX1 CTX2
SSRX X X CRX1 CRX2 X X CRX1 CRX2
DP0 X X X X CRX2 CRX1 CRX2 CRX1
DP1 X X X X CTX2 CTX1 CTX2 CTX1
DP2 X X X X CTX1 CTX2 X X
DP3 X X X X CRX1 CRX2 X X
AUX+ X X X X SBU1 SBU2 SBU1 SBU2
AUX- X X X X SBU2 SBU1 SBU2 SBU1