SLVUCI2 march   2023 AM68A , AM69 , AM69A , TDA4AH-Q1 , TDA4AL-Q1 , TDA4AP-Q1 , TDA4VE-Q1 , TDA4VH-Q1 , TDA4VL-Q1 , TDA4VP-Q1 , TPS6594-Q1

 

  1.   TPS6594133A-Q1 PMIC User Guide for Jacinto J784S4 or J721S2, PDN-3A, PDN-3B, PDN-3F
  2.   Trademarks
  3. 1Introduction
  4. 2Processor Connections
    1. 2.1 Power Mapping
    2. 2.2 Control Mapping
  5. 3Supporting Functional Safety Systems
    1. 3.1 Achieving ASIL-B System Requirements
    2. 3.2 Achieving up to ASIL-D System Requirements
  6. 4Static NVM Settings.
    1. 4.1  Application-Based Configuration Settings
    2. 4.2  Device Identification Settings
    3. 4.3  BUCK Settings
    4. 4.4  LDO Settings
    5. 4.5  VCCA Settings
    6. 4.6  GPIO Settings
    7. 4.7  Finite State Machine (FSM) Settings
    8. 4.8  Interrupt Settings
    9. 4.9  POWERGOOD Settings
    10. 4.10 Miscellaneous Settings
    11. 4.11 Interface Settings
    12. 4.12 Multi-Device Settings
    13. 4.13 Watchdog Settings
  7. 5Pre-Configurable Finite State Machine (PFSM) Settings
    1. 5.1 Configured States
    2. 5.2 PFSM Triggers
    3. 5.3 Power Sequences
      1. 5.3.1 TO_SAFE_SEVERE and TO_SAFE
      2. 5.3.2 TO_SAFE_ORDERLY and TO_STANDBY
      3. 5.3.3 ACTIVE_TO_WARM
      4. 5.3.4 ESM_SOC_ERROR
      5. 5.3.5 PWR_SOC_ERROR
      6. 5.3.6 MCU_TO_WARM
      7. 5.3.7 TO_MCU
      8. 5.3.8 TO_ACTIVE
      9. 5.3.9 TO_RETENTION
  8. 6Application Examples
    1. 6.1 Initialization
    2. 6.2 Moving Between States; ACTIVE, MCU ONLY and RETENTION
      1. 6.2.1 ACTIVE
      2. 6.2.2 MCU ONLY
      3. 6.2.3 RETENTION
    3. 6.3 Entering and Exiting Standby
    4. 6.4 Entering and Existing LP_STANDBY
  9. 7References

6.2.2 MCU ONLY

Transitioning to the MCU ONLY state from the ACTIVE state, requires configuring the I2C_7 trigger before changing the NSLEEP bits.


Write 0x48:0x85:0x80:0x7F    // Set I2C_7 Triggers on TPS6594133A
Write 0x48:0x86:0x02:0xFC    // Set NSLEEP2 to trigger TO_MCU power sequence

Instead of writing to the NSLEEP bits to return to the ACTIVE state, it is also possible to use the WKUP1 pin on GPIO4 to return the PMIC to the ACTIVE state. Because of the similarity this is shown in the context of the RETENTION state.