SDAA106
June 2026
TXE8116-Q1
,
TXE8124-Q1
1
Abstract
Trademarks
1
Introduction
2
Overview of the Fail-Safe Register Set
3
How to Write to a Fail-Safe Register
4
Fail-Safe Use Case #1 - MCU Communication Loss- Limp Home Mode
5
Fail-Safe Use Case #2 - MCU Software Update / Reboot
6
Summary
7
References
7
References
Texas Instruments,
TXE81XX-Q1 Automotive 16-Bit and 24-Bit SPI Bus I/O Expander with Interrupt Output, Reset Input, and I/O Configuration Registers
, datasheet.
Texas Instruments,
TXE81XX-Q1 Automotive 16-Bit and 24-Bit SPI Bus I/O Expander with Interrupt Output, Reset Input, and I/O Configuration Registers
, datasheet.
Texas Instruments,
TXE8148-Q1 Datasheet
, datasheet.
Texas Instruments,
TPS4HC120-Q1 120mΩ, 2A, Quad-Channel Automotive Smart High-Side Switch
, datasheet.
Texas Instruments,
DRV871x-Q1 Automotive Multi-Channel Smart Half-Bridge Gate Drivers With Wide Common Mode Inline Current Sense Amplifiers
, datasheet.
Texas Instruments,
TPS4HC120EVM Evaluation Module
, EVM user's guide.
Texas Instruments,
DRV8714H-Q1EVM
, product page
Texas Instruments,
TXE81xxEVM
, product page.
Texas Instruments,
TXE8124-Q1 Functional Safety FIT Rate, FMD and Pin FMA
, functional safety pin FMA