SPMU378 April   2026 TPS26750A

 

  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
      2. 1.2.2 Register and field notation
    3. 1.3 Unique Address Interface
      1. 1.3.1 Unique Address Interface Protocol
  4. 2PD Controller Policy Modes
    1. 2.1 Overview
    2. 2.2 Source Policy Mode
    3. 2.3 Sink Policy Mode
  5. 3Register Overview
    1. 3.1 TPS26750A Registers
  6. 44CC Task Detailed Descriptions
    1. 4.1 Overview
    2. 4.2 CPU Control Tasks
      1. 4.2.1 'Gaid' - Return to normal operation
      2. 4.2.2 'GAID' - Cold reset request
    3. 4.3 PD Message Tasks
      1. 4.3.1  'SWSk' - PD PR_Swap to Sink
      2. 4.3.2  'SWSr' - PD PR_Swap to Source
      3. 4.3.3  'SWDF' - PD DR_Swap to DFP
      4. 4.3.4  'SWUF' - PD DR_Swap to UFP
      5. 4.3.5  'GSkC' - PD Get Sink Capabilities
      6. 4.3.6  'GSrC' - PD Get Source Capabilities
      7. 4.3.7  'ESkC' - PD EPR Get Sink Capabilities
      8. 4.3.8  'ESrC' - PD EPR Get Source Capabilities
      9. 4.3.9  'SSrC' - PD Send Source Capabilities
      10. 4.3.10 'GPPI' - PD Get Port Partner Information
      11. 4.3.11 'MBRd' - Message Buffer Read
    4. 4.4 Patch Bundle Update Tasks
      1. 4.4.1  'PBMs' - Start Patch Burst Mode Download Sequence
      2. 4.4.2  'PBMc' - Patch Burst Mode Download Complete
      3. 4.4.3  'PBMe' - End Patch Burst Mode Download Sequence
      4. 4.4.4  'GO2P' - Go to Patch Mode
      5. 4.4.5  'PTCs' - Start Patch Download Sequence
      6. 4.4.6  'PTCd' - Patch Download
      7. 4.4.7  'PTCc' - Patch Download Complete
      8. 4.4.8  'PTCq' - Patch Query
      9. 4.4.9  'PTCr' - Patch Reset
      10. 4.4.10 'FLrd' - Flash Memory Read
      11. 4.4.11 'FLad' - Flash Memory Write Start Address
      12. 4.4.12 'FLwd' - Flash Memory Write
      13. 4.4.13 'FLvy' - Flash Memory Verify
    5. 4.5 System Tasks
      1. 4.5.1 'ANeg' - Auto Negotiate Sink Update
      2. 4.5.2 'DBfg' - Clear Dead Battery Flag
      3. 4.5.3 'I2Cr' - I2C read transaction
      4. 4.5.4 'I2Cw' - I2C write transaction
      5. 4.5.5 'GPsh' - set GPIO high
      6. 4.5.6 'GPsl' - set GPIO low
  7. 5User Reference
    1. 5.1 PD Controller Application Customization
    2. 5.2 Loading a Patch Bundle
    3. 5.3 AUTO_NEGOTIATE_SINK Register
      1. 5.3.1 AUTO_NEGOTIATE_SINK Usage Example 1
      2. 5.3.2 AUTO_NEGOTIATE_SINK Usage Example 2
      3. 5.3.3 AUTO_NEGOTIATE_SINK Usage Example 3
      4. 5.3.4 AUTO_NEGOTIATE_SINK Usage Example 4
    4. 5.4 Liquid Detection Registers
    5. 5.5 GPIO Events
  8. 6Revision History

4.4.4 'GO2P' - Go to Patch Mode

Table 4-18 'GO2P' - Forces PD controller to return to 'PTCH' mode and wait for patch over I2C.
Description

The 'GO2P' Task causes the PD controller to re-enter the patch mode (MODE = 'PTCH').

INPUT DATAXNone
OUTPUT DATAXByte 1: Standard Task Return Code. See also Table 4-1.
Task Completion

The 'GO2P' Task completes after the PD controller has re-entered the patch mode.

  • If the PD controller has re-entered the patch mode and the MODE register reads as 'PTCH'.

The 'GO2P' Task is considered rejected if:

  • The PD controller did not enter the 'APP' mode without receiving a patch over I2C.
  • The PD controller did not enter the 'APP' mode with ADCINx configuration option 'NegotiateHighVoltage'.
Side Effects

When the 'GO2P' Task is successful, the MODE register will read as 'PTCH' and the USB PD PHY will be disabled. The PD Controller can temporarily NAK I2C transactions. The host must wait for the IRQ signal to assert (because INT_EVENT1.ReadyForPatch is asserted), and then push the patch as soon as possible.

Additional Information

The 'GO2P' Task must only be used when the ADCINx configuration option NegotiateHighVoltage is used. This task cannot be used with any other available ADCINx configurations.