SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
In normal boot operation (MCU Only = 0), the ROM execution is directed also through the main boot mode pins. This provides more flexibility and more booting peripherals to boot from. The Main domain must be powered and functional when MCU Only = 0.
Main boot mode pins are shown in Table 4-7.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Backup Boot Mode Config | Primary Boot Mode Config | Backup Boot Mode | Primary Boot Mode B |