1.3.2 SPI Bootloader system level execution flow

Bootloader system level execution flow

  • The Bootloader code starts executing on a device Reset

  • If there are no conditions to enter the firmware upgrade mode, the Bootloader starts executing the user application

    • Refer to Bootloader Trigger Methods for different conditions to enter firmware upgrade mode

  • The Bootloader performs Flash erase/program operations while in the firmware upgrade mode

basic_bootloader_execution_flow