SLVUBY7A October   2020  – October 2022 DRA821U , DRA821U-Q1 , LP8764-Q1 , TPS6594-Q1

1.   User's Guide for Powering DRA821 with TPS6594-Q1 and LP8764-Q1
2.   Trademarks
3. 1Introduction
4. 2Device Versions
5. 3Processor Connections
6. 4Supporting Functional Safety Systems
   1. 4.1 Achieving ASIL-B System Requirements
   2. 4.2 Achieving up to ASIL-D System Requirements
7. 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 Multi-Device Settings
   13. 5.13 Watchdog Settings
8. 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 TO_SAFE_SEVERE
      2. 6.3.2 TO_SAFE_ORDERLY and TO_STANDBY
      3. 6.3.3 ACTIVE_TO_WARM
      4. 6.3.4 ESM_SOC_ERROR
      5. 6.3.5 PWR_SOC_ERROR
      6. 6.3.6 MCU_TO_WARM
      7. 6.3.7 TO_MCU
      8. 6.3.8 TO_ACTIVE
      9. 6.3.9 TO_RETENTION
9. 7Application Examples
   1. 7.1 Moving Between States: ACTIVE, MCU, and RETENTION
      1. 7.1.1 ACTIVE
      2. 7.1.2 MCU ONLY
      3. 7.1.3 RETENTION
   2. 7.2 Entering and Exiting Standby
   3. 7.3 Entering and Existing LP_STANDBY
   4. 7.4 GPIO8 and Watchdog
10. 8Additional Resources
11. 9Revision History

IMPORTANT NOTICE AND DISCLAIMER

TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATASHEETS), DESIGN RESOURCES (INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS” AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS.

These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable standards, and any other safety, security, or other requirements. These resources are subject to change without notice. TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource. Other reproduction and display of these resources is prohibited. No license is granted to any other TI intellectual property right or to any third party intellectual property right. TI disclaims responsibility for, and you will fully indemnify TI and its representatives against, any claims, damages, costs, losses, and liabilities arising out of your use of these resources.

TI’s products are provided subject to TI’s Terms of Sale (www.ti.com/legal/termsofsale.html) or other applicable terms available either on ti.com or provided in conjunction with such TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products.

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 

Copyright © 2022, Texas Instruments Incorporated