Figure 1. Phase 1: Pre-Boot (Power-up and Reset)
- 1
- The pre-boot phase is initiated when the PMC senses the PMC power and the
external
POR_Bpin is released. - 2
- PMC reads the boot mode pins and stores the value in the boot mode register.
- 3
- PMC sends the reset signal to the RCU.Note: All other processors and controller units remain in the reset state.