SCPS299
May 2025
TXE8116-Q1
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
SPI Bus Timing Requirements
5.8
Switching Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
I/O Port
7.3.2
Interrupt Output (INT)
7.3.3
Reset Input (RESET)
7.3.4
Fail-safe Mode
7.3.5
Software Reset Call
7.3.6
Burst Mode
7.3.7
Daisy Chain
7.3.8
Multi Port
7.4
Device Functional Modes
7.4.1
Power-On Reset
7.5
Programming
7.5.1
SPI Interface
7.5.2
SPI Data Format
7.5.3
Writes
7.5.4
Reads
7.6
Register Maps
7.6.1
Control Register: Read/Write and Feature Address (B23 - B16)
7.6.2
Control Register: Port Selection and Multi Port (B15 - B8)
7.6.3
Register Descriptions
8
Application and Implementation
8.1
Application Information
8.2
Power Supply Recommendations
8.2.1
Power-On Reset Requirements
8.3
Layout
8.3.1
Layout Guidelines
8.3.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGS|24
MPSS138
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps299_oa
Data Sheet
TXE81xx-Q1
Automotive 24-Bit SPI Bus I/O Expander with Interrupt Output, Reset Input, and I/O Configuration Registers