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I cannot completely turn off STM32Le55 (RAK3172)

lino
Associate

‎2023-12-12 7:33 AM 

 

I'm using a micro stm32wl55 (RAK3172). I try to shut it down using shutdown mode. By turning it off without ever using the PWR_SUBGHZSPICR command, the micro turns on and off regularly with the expected consumption. However, if I activate the PWR_SUBGHZSPICR command even just once, after the shutdown the consumption remains high and I can no longer turn it off completely. Could you give me a solution? Thank you 

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STTwo-32
ST Employee

‎2024-01-05 6:06 AM

Hello @lino 

The command PWR_SUBGHZSPICR doesn't exist. But we have the PWR_SUBGHZSPICR_NSS which I used to perform testes on Low_Power_Modes using an STM32WL55JC1 Nucleo Board. Everything works Fine. Can You give more details.

Best Regards.

STTwo-32

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