SDAA064 November   2025 F29H850TU , F29H859TU-Q1

 

  1.   1
  2.   Abstract
  3. 1Introduction
  4. 2Building Blocks for LFU
  5. 3Details of Proposed Design
    1. 3.1 Flash Bank Organization
    2. 3.2 LFU Concepts and Factors Impacting Performance
    3. 3.3 Hardware Support for LFU
      1. 3.3.1 A/B Swappable Flash Banks
      2. 3.3.2 Interrupt Vector Table Swap
  6. 4Application LFU Flow
  7. 5Results and Conclusion
  8. 6Example Implementations
  9. 7Summary
  10. 8References

Abstract

This document presents details on Live Firmware Update (LFU) without device reset on devices with A/B swappable flash banks, such as the F29H85x.