when my mcu go to the standby mode then if i want to trigger extern interrupt after wakeup it is going to isr how its poosible to go isr and why i want when i give the external trigger during standby mode then it will start from the intial not a isr

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Super User

What chip? And, please show the relevant code.

Associate III

thanks for reply soon this problem solved

now when i go standby mode as for documents it will take 5 micro ampere but it is taking 8.2 microcampere why sir

i am using the stm32l152RETX microcontroller

ST Employee

Hello @Asing.3 ,

You must put all unused GPIOs in analog mode to achieve adequate power consumption.

Best Regards,

Mohamed Aymen.

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