FAQs
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

HAL_RTCEx_BKUPWrite

IVent.1
Senior

‎2025-05-06 10:10 AM

Hallo, the information written on rtcbackup register, is retained when micro is powered off?Or the information will be lost?

Labels:
0 Kudos
1 REPLY 1
TDK
Guru

‎2025-05-06 11:10 AM - edited ‎2025-05-06 11:11 AM

The backup registers (TAMP->BKPxx) are volatile memory and will be lost when power is lost. They can be retained if VBAT remains powered.

If you feel a post has answered your question, please click "Accept as Solution".
0 Kudos
Top