DLPU114A August 2024 – November 2024 DLPC8445
The Secondary Bootloader is a backup feature added to the DLPC8445 and DLPC8445V embedded software to support modifications to the Boot process. In Boot ROM, it is recommended to use a Secondary Boot for the flash upgrade process.
Secondary Boot can be accessed from Boot ROM by:
Alternatively, Secondary Boot can be accessed from the Main Application by issuing a Switch Application command (see Section 8.1.3) to switch to the secondary boot application if STAY_IN_BOOT is set to 0. The system will also transfer to Secondary Boot if the Main Application firmware is found to be corrupted or missing.