topic Re: iMX8MM SNVS mode in i.MX Processors

iMX8MM SNVS mode

siva_prabhakara — Thu, 24 Sep 2020 17:45:34 GMT

how to enter SNVS or RTC mode on iMX8MM.

says about a SNVS oower mode with just SNVS power rails active.

igorpadykov — Fri, 25 Sep 2020 00:45:40 GMT

Hi siva_prabhakara

for entering SNVS mode it is necessary to turn off all power supplies,

leave only VDD_SNVS_0P8 (0.8 V), NVCC_SNVS_1P8 (1.8 V) powered from

battery or other external source.

Best regards
igor

siva_prabhakara — Fri, 25 Sep 2020 00:51:16 GMT

hi Igor,

thanks, i read that document, how to turn off these rails? Can it be done via Software?

igorpadykov — Fri, 25 Sep 2020 04:03:35 GMT

Hi siva_prabhakara

one can try linux poweroff command

Best regards
igor