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

5 Results and Conclusion

Figure 5-1 shows the actual LFU switchover. The top waveform represents the LFU switchover and the bottom waveform shows the ISR CPU load. The switchover occurs in 300ns, or about 60 CPU cycles.

A screenshot of a computer AI-generated content may be incorrect. Figure 5-1 LFU Switchover