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Naig
Associate
August 28, 2020
Question

Current Consumption of STM32G071GB in deep sleep mode?

What is the current consumption of STM32g071GB in deep sleep mode?

I found the tables of current consumption in the datasheet, but I am not certain which is the deep sleep current among the list. I have seen the following: 0693W000002lbbQQAQ.jpg

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5 replies

TDK
August 28, 2020

"Deep sleep" is not a mode. There is a SLEEPDEEP bit, which is set in several of the listed modes. Perhaps this is what you mean.

0693W000002lbc9QAA.png

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Naig
NaigAuthor
Associate
August 28, 2020

The MCU in deep sleep mode:

The deep sleep mode allows power optimization with the slowest wake-up time. All but the RTC peripherals are stopped. The CPU can be wakeup only using RTC or wakeup on interrupt capable pins.

TDK
August 28, 2020

Looks like that functionality lines up with the "Shutdown" mode.

Also looks like you grabbed that documentation from Arduino, rather than from an ST document, which would explain the terminology being different:

https://www.arduino.cc/en/Reference/LowPowerDeepSleep

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TDK
August 28, 2020

I would ask the people who wrote the documentation you're using that question. There aren't many people using Arduino here.

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