STM32L452 Can't read ADC after WakeUp from deepsleep

[DShih.1]

In previous time we were using STM32L412RCT6 to do the ADC working, where no problem and work fine, When we have flash memory short, we were decided to migrate to STM32L452RET6 (pin to pin compatible), The issue has occurred, the ADC working fine when the system first time start, after going to STOP2. when weakup to reinit system also ADC, found the ADC is dead. May you help us to solve the issues.

[Aime]

Hi @DShih.1​ ,

Please give me more information about this issue.

• What do you mean by the "ADC is dead" exactly?
• What is the ADC's Clock Source?
• How are you waking up the MCU?
• Are you using the same program?

Best regards,

A.MVE

[DShih.1]

we were solved the issue, Thanks for help​

[Aime]

Hi @DShih.1​ ,

I am glad to hear that, Thank you ! ;)

Can you tell me what was the issue and how did you solve it?

That might help the other members later if they are facing this issue !

Best regards,

A.MVE