SLVUCJ7 October   2023 TPS25730

 

  1.   1
  2.   Read This First
    1.     About This Manual
    2.     Notational Conventions
    3.     Glossary
    4.     Related Documents
    5.     Support Resources
    6.     Trademarks
  3. 1Introduction
    1. 1.1 Introduction
      1. 1.1.1 Purpose and Scope
    2. 1.2 PD Controller Host Interface Description
      1. 1.2.1 Overview
    3. 1.3 Unique Address Interface
      1. 1.3.1 Unique Address Interface Protocol
  4. 2Unique Address Interface Register Detailed Descriptions
    1. 2.1 0x31 RX_SINK_CAPS Register
    2. 2.2 0x33 TX_SINK_CAPS Register
    3. 2.3 0x34 ACTIVE_CONTRACT_PDO Register
    4. 2.4 0x35 ACTIVE_CONTRACT_RDO Register
  5. 34CC Task Detailed Descriptions
    1. 3.1 Overview
    2. 3.2 PD Message Tasks
      1. 3.2.1 'GSrC' - PD Get Source Capabilities
  6.   Revision History

2.1 0x31 RX_SINK_CAPS Register

Table 2-1 0x31 RX_SINK_CAPS Register
AddressNameAccessLengthUnique Per PortPower-Up Default
0x31RX_SINK_CAPSRO29yesCleared on disconnect, or Hard Reset.
Table 2-2 0x31 RX_SINK_CAPS Register Bit Field Definitions
BitsNameDescription
Bytes 26-29: PDO #7 (treated as a 32-bit little endian value)
31:0SinkPdo7Seventh Sink Capabilities PDO received.
Bytes 22-25: PDO #6 (treated as a 32-bit little endian value)
31:0SinkPdo6Sixth Sink Capabilities PDO received.
Bytes 18-21: PDO #5 (treated as a 32-bit little endian value)
31:0SinkPdo5Fifth Sink Capabilities PDO received.
Bytes 14-17: PDO #4 (treated as a 32-bit little endian value)
31:0SinkPdo4Fourth Sink Capabilities PDO received.
Bytes 10-13: PDO #3 (treated as a 32-bit little endian value)
31:0SinkPdo3Third Sink Capabilities PDO received.
Bytes 6-9: PDO #2 (treated as a 32-bit little endian value)
31:0SinkPdo2Second Sink Capabilities PDO received.
Bytes 2-5: PDO #1 (treated as a 32-bit little endian value)
31:0SinkPdo1First Sink Capabilities PDO received.
Byte 1: Header
7:3Reserved
2:0numValidPDOsNumber of valid PDOs in this register. Each PDO is 4 bytes (max of 7).