SLVUCD4A
November 2022 – July 2026
DRA821U
,
DRA821U-Q1
,
TPS6594-Q1
1
Description
Resources
Features
Applications
1
System Description
2
Highlighted Products
2.1
Device Versions
3
Processor Connections
3.1
Power Mapping
3.2
Control Mapping
4
Supporting Functional Safety Systems
4.1
Achieving ASIL-B System Requirements
4.2
Achieving up to ASIL-D System Requirements
5
Static NVM Settings
5.1
Application-Based Configuration Settings
5.2
Device Identification Settings
5.3
BUCK Settings
5.4
LDO Settings
5.5
VCCA Settings
5.6
GPIO Settings
5.7
Finite State Machine (FSM) Settings
5.8
Interrupt Settings
5.9
POWERGOOD Settings
5.10
Miscellaneous Settings
5.11
Interface Settings
5.12
Watchdog Settings
6
Pre-Configurable Finite State Machine (PFSM) Settings
6.1
Configured States
6.2
PFSM Triggers
6.3
Power Sequences
6.3.1
TO_SAFE_SEVERE and TO_SAFE
6.3.2
TO_SAFE_ORDERLY and TO_STANDBY
6.3.3
ACTIVE_TO_WARM
6.3.4
TO_ACTIVE
6.3.5
TO_RETENTION
7
Application Examples
7.1
Moving Between States: ACTIVE and RETENTION
7.1.1
ACTIVE
7.1.2
RETENTION
7.2
Entering and Exiting Standby
7.3
Entering and Existing LP_STANDBY
7.4
GPIO8 and Watchdog
8
References
9
Support Resources
10
Trademarks
11
Revision History
6.3
Power Sequences