SLVUCM3 july   2023 AM62A3 , AM62A3-Q1 , AM62A7 , AM62A7-Q1 , TPS6593-Q1

 

  1.   1
  2.   User's Guide for Powering AM62A with TPS65931211-Q1 PMIC
  3.   Trademarks
  4. 1Introduction
  5. 2Device Versions
  6. 3Processor Connections
    1. 3.1 Power Mapping
      1. 3.1.1 Supporting 0.85V on VDD_CORE
      2. 3.1.2 Using 5V Input Supply
    2. 3.2 Control Mapping
  7. 4Supporting Functional Safety ASIL-B Requirements
  8. 5Static NVM Settings
    1. 5.1  Application-Based Configuration Settings
    2. 5.2  Device Identification Settings
    3. 5.3  BUCK Settings
    4. 5.4  LDO Settings
    5. 5.5  VCCA Settings
    6. 5.6  GPIO Settings
    7. 5.7  Finite State Machine (FSM) Settings
    8. 5.8  Interrupt Settings
    9. 5.9  POWERGOOD Settings
    10. 5.10 Miscellaneous Settings
    11. 5.11 Interface Settings
    12. 5.12 Watchdog Settings
  9. 6Pre-Configurable Finite State Machine (PFSM) Settings
    1. 6.1 Configured States
    2. 6.2 PFSM Triggers
    3. 6.3 Power Sequences
      1. 6.3.1 Sequence: immediateOff2Safe_pd
      2. 6.3.2 Sequence: orderlyOff2safe
      3. 6.3.3 Sequence: warmReset
      4. 6.3.4 Sequence: any2active
      5. 6.3.5 Sequence: any2_s2r
  10. 7Application Examples
    1. 7.1 Entering and Exiting S2R (Suspend to RAM)
    2. 7.2 Entering and Exiting Standby
    3. 7.3 Entering and Existing LP_STANDBY
  11. 8References

5.7 Finite State Machine (FSM) Settings

These settings describe how the PMIC output rails are assigned to various system-level states. Also, the default trigger for each system-level state is described. All these settings can be changed though I2C after startup.

Table 5-7 FSM NVM Settings
Register Name Field Name TPS65931211-Q1
Value Description
RAIL_SEL_1 BUCK1_GRP_SEL 0x1 MCU rail group
BUCK2_GRP_SEL 0x1 MCU rail group
BUCK3_GRP_SEL 0x1 MCU rail group
BUCK4_GRP_SEL 0x1 MCU rail group
RAIL_SEL_2 BUCK5_GRP_SEL 0x1 MCU rail group
LDO1_GRP_SEL 0x1 MCU rail group
LDO2_GRP_SEL 0x3 OTHER rail group
LDO3_GRP_SEL 0x1 MCU rail group
RAIL_SEL_3 LDO4_GRP_SEL 0x1 MCU rail group
VCCA_GRP_SEL 0x0 No group assigned
FSM_TRIG_SEL_1 MCU_RAIL_TRIG 0x1 Orderly shutdown
SOC_RAIL_TRIG 0x3 SOC power error
OTHER_RAIL_TRIG 0x2 MCU power error
SEVERE_ERR_TRIG 0x0 Immediate shutdown
FSM_TRIG_SEL_2 MODERATE_ERR_TRIG 0x1 Orderly shutdown