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__HAL_RCC_LSEDRIVE_CONFIG() WB55 vs WB5MMG

DS.4
Senior II

I see a higher drive in the WB55MMG 

#ifdef WB55
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
#else WB5MMG
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_MEDIUMHIGH);
#endif // MIGO_BORAD

 

would like to preserve as much power as possible, what are the consequences of using it _LOW?

3 REPLIES 3
STTwo-32
ST Employee

Hello @DS.4 

It is recommended to use the LSE Medium-high drive to get a reliable LSE oscillation. It may work perfectly with the LOW drive, but we can't guarantee that.  

Best Regards.

STTwo-32

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

Can you tell the effect it has on power consumption?

Sure, the low drive is the best choice for power consumption. 

Best Regards.

STTwo-32

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.