Before enabling the backup regulator (BREN), you need to set the DBP (Disable Backup Domain Write Protection) bit.
After setting DBP, you can then set the BREN (Backup Regulator Enable) bit.
Here’s how you can do it programmatically (assuming you're writing in C or a similar language).
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- Wed Jul 24, 2024 9:54 am
- Forum: Bug Reports
- Topic: backup domain initialisation bug for H7
- Replies: 4
- Views: 5833