About KushalAgrawal

KushalAgrawal · 2024-11-04

Hello everyone, I'm working with the STM32F103RB controller and have encountered an issue with the RTC functionality. While the time continues to update correctly when powered off (with VBAT enabled), the date resets to the default 01/01/2000 instead...

KushalAgrawal · 2024-11-13

I’ve implemented the same code on the STM32F207 controller, and it works correctly. Both the date and time are successfully retained on the STM32F207 controller when VBAT is enabled.

KushalAgrawal · 2024-11-13

Nope, I am not getting any solutions for these controller [STM32F103RB].

KushalAgrawal · 2024-11-05

Yeah,Thank you for the reminder! I’ve checked the UM1724 reference manual and have removed the SB45 solder bridge as suggested for enabling the coin cell backup.

KushalAgrawal · 2024-11-05

I’m using the Nucleo F103RB board along with a CR2032 coin cell for RTC backup power. After turning off the main power, the coin cell supplies the backup power to the RTC.Let me know if any additional details would be helpful.

KushalAgrawal · 2024-11-05

Thank you for your response. To clarify, here is the issue with a specific example:When I turn off the main power at 10:00:00 on 05/11/2024 and then restore power an hour later, the time is correctly retained and updates to 11:00:00. However, the dat...

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STM32F103RB RTC Date Not Updating on Power Off with VBAT Enabled

Re: STM32F103RB RTC Date Not Updating on Power Off with VBAT Enabled

Re: STM32F103RB RTC Date Not Updating on Power Off with VBAT Enabled

Re: STM32F103RB RTC Date Not Updating on Power Off with VBAT Enabled

Re: STM32F103RB RTC Date Not Updating on Power Off with VBAT Enabled

Re: STM32F103RB RTC Date Not Updating on Power Off with VBAT Enabled