nRF52832 RAM not initial when reset.

[zxcv7063]

Hi All:

      How do I define a variable that is not initialized at RAM when reset,   Repower initialization ?

      

[Håkon Alseth]

Hi,

 

Please see this post, it includes projects for most compilers we support:

https://devzone.nordicsemi.com/f/nordic-q-a/36848/nrf52840-ram-retention-example-fails-with-max_test_iterations-1

Kind regards,

Håkon

[zxcv7063]

Hi:

   I've tried it the recommended way . The following problems are found.

   The following screenshots:

    

     When artificially pull down reset pin ,   Can ram  be saved ?

   

[Håkon Alseth]

Hi,

pin reset will clear the RAM:

https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/power.html?cp=4_2_0_17_7#unique_832471788

 

Kind regards,

Håkon

[zxcv7063]

Hi:

   ok, Let me see first !