SCPS299A May   2025  – September 2025 TXE8116-Q1 , TXE8124-Q1

ADVANCE INFORMATION  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Pin Configuration and Functions
6. 5 Specifications
   1. 5.1 Absolute Maximum Ratings
   2. 5.2 ESD Ratings
   3. 5.3 Recommended Operating Conditions
   4. 5.4 Thermal Information
   5. 5.5 Electrical Characteristics
   6. 5.6 Timing Requirements
   7. 5.7 SPI Bus Timing Requirements
   8. 5.8 Switching Characteristics
7. 6 Parameter Measurement Information
8. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagrams
   3. 7.3 Feature Description
      1. 7.3.1 I/O Port
      2. 7.3.2 Interrupt Output (INT)
      3. 7.3.3 Reset Input (RESET)
      4. 7.3.4 Fail-safe Mode
      5. 7.3.5 Software Reset Call
      6. 7.3.6 Burst Mode
      7. 7.3.7 Daisy Chain
      8. 7.3.8 Multi Port
   4. 7.4 Device Functional Modes
      1. 7.4.1 Power-On Reset
   5. 7.5 Programming
      1. 7.5.1 SPI Interface
      2. 7.5.2 SPI Data Format
      3. 7.5.3 Writes
      4. 7.5.4 Reads
   6. 7.6 Register Maps
      1. 7.6.1 Control Register: Read/Write and Feature Address (B23 - B16)
      2. 7.6.2 Control Register: Port Selection and Multi Port (B15 - B8)
      3. 7.6.3 Register Descriptions
9. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Power Supply Recommendations
      1. 8.2.1 Power-On Reset Requirements
   3. 8.3 Layout
      1. 8.3.1 Layout Guidelines
      2. 8.3.2 Layout Example
10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
11. 10Revision History
12. 11Mechanical, Packaging, and Orderable Information

TXE81XX-Q1 Automotive 16-Bit and 24-Bit SPI Bus I/O Expander with Interrupt Output, Reset Input, and I/O Configuration Registers