SDAA064 November   2025 F29H850DM , F29H850TU , F29H859TU-Q1 , F29P329SM-Q1 , F29P589DM-Q1 , F29P589DU-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

3.3.1 A/B Swappable Flash Banks

As shown in Figure 3-1 , there is hardware support for an active and inactive flash bank. These banks can be swapped at any time by XORing the SSU_GEN_REGS.BANKMAP register.