Jump to main content
AN5484 - Implementing the Class B Functional Safety Diagnostics Library in Microcontrollers
AN5484 - Implementing the Class B Functional Safety Diagnostics Library in Microcontrollers
Product Pages
AVR16EA28 AVR16EA32 AVR16EA48 AVR32EA28 AVR32EA32 AVR32EA48 AVR64EA28 AVR64EA32 AVR64EA48
  1. Home
  2. 6 Functional Safety Tests Implemented
  3. 6.1 CPU Registers

  • Introduction
  • 1 Functional Safety Standards and Levels
  • 2 Functional Safety Tools and Documents
  • 3 The Application
  • 4 Building the Application
  • 5 Sensor Theory of Operation
  • 6 Functional Safety Tests Implemented
    • 6.1 CPU Registers
    • 6.2 Flash
    • 6.3 EEPROM
    • 6.4 SRAM
  • 7 Watchdog
  • 8 Application Specific Self-Tests
  • 9 Self-Test Limitations
  • 10 Conclusion
  • 11 Revision History
  • Microchip Information

6.1 CPU Registers

API Reference:

https://onlinedocs.microchip.com/oxy/GUID-641A8CC3-34E7-4FE7-9923-7F86A2135AF5-en-US-1/GUID-AE36DB17-1231-40E7-BFEB-6062C510A02A.html

  • When is the test run: Start-up and Periodically

The CPU register test checks for stuck bits inside of the CPU registers by writing a checkerboard pattern followed by an inverse checkerboard pattern.

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

About

Company
Careers
Contact Us
Media Center
Investor Relations
Corporate Responsibility

Support

Microchip Forums
AVR Freaks
Design Help
Technical Support
Export Control Data
PCNs

Quick Links

microchipDIRECT.com
Microchip University
myMicrochip
Blogs
Reference Designs
Parametric Search
Microchip Logo

Microchip Technology Inc.

2355 West Chandler Blvd.

Chandler, Arizona, USA

Microchip Facebook
Microchip LinkedIn
Microchip Twitter
Microchip Instagram
Microchip Weibo

© Copyright 1998-2024 Microchip Technology Inc. All rights reserved. Shanghai ICP Recordal No.09049794

Terms Of Use
Privacy Notice
Legal
Your Privacy Choices California Consumer Privacy Act (CCPA) Opt-Out Icon