| 0x00000000_DE05_5345ACBA |
After Reset, unblock the bootloader |
| 0x00000000_DE05_ACBA5345 |
| 0x00000000_0004_0000XXXX |
Set the
number of blocks of the encrypted program |
| 0x00000000_0005_XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX |
Set the
initialization vector of the encrypted program |
| 0x00000000_0006_XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX |
Set
signature of the encrypted program |
| 0x00000000_0001_EEEEEEEE… |
Write the
program at consecutive addresses from 0x00000000 |
| 0x00000000_0013_00000000 |
Launch
code decryption |
| 0x00000000_0012_00000000 |
Check
bootloader status to know if decrypt process has finished. Answers:
- 0x”Bootloader
Hardware signature”_0000_ 00000002 (aes_active)
- 0x”Bootloader
Hardware signature”_0000_ 00000000 (bootloader ready)
|
| 0x00000000_0002_XXXXXXXX… |
(Optional)
Read the decrypted program to validate it (READ_RAM fuse must not be
set) |
| 0x400E1800_0000_00000000 |
Clear
CPUWAIT to start program operation |
| 0x00000000_A66A_00000000 |
Give
control of the MISO signal to M7-SPI and disable bootloader clock
|
