Use RTC SG to wakeup MKL17 from LLS

daliagrimal — Tue, 04 Sep 2018 12:48:20 GMT

Hello,

I'm trying to wake a MKL17 from LLS on rtc sg if anyone here can be of help.

When I tryto wake a MKL17 from LLS on external pin, It is ok.

I'm setting bit 7 of the LLWU_ME to enable the RTC Sg as a wakeup module.

Re: Use RTC SG to wakeup MKL17 from LLS

jorge_a_vazquez — Mon, 10 Sep 2018 15:09:34 GMT

Hi Dalia Grimal

Are you able to share more information about your implementation? What is the source of the RTC? in some power modes the source clock could be powered off. Also, did you enable the RTC interruption? I would test the RTC functionality before enabling the power mode in the application.

For your reference:

http://cache.freescale.com/files/32bit/doc/app_note/AN4503.pdf

https://www.nxp.com/docs/en/application-note/AN5088.pdf

Power Management on Kinetis MCUs: LLS and VLLS modes

Also, I recommend the SDK code examples.

Best regards

topic Re: Use RTC SG to wakeup MKL17 from LLS in Kinetis Microcontrollers

Use RTC SG to wakeup MKL17 from LLS

Re: Use RTC SG to wakeup MKL17 from LLS