topic LPC55S Sleep counter in LPC Microcontrollers

LPC55S Sleep counter

jtauch1 — Wed, 25 Jan 2023 20:31:47 GMT

Is there a way to have one of the LPC5526 counters available during any of the low power modes?

We would like to increment a counter with an external pulse while the LPC is in a low power mode.

Thanks

Re: LPC55S Sleep counter

Miguel04 — Fri, 27 Jan 2023 18:32:12 GMT

On your user manual UM11126, Chapter 13.2.3 Power Modes you have the functionality of the MCU between each low power mode. On Deep-Sleep Mode the counter/timers can be left running.

Let me know if you have another question.

Best Regards, Miguel.

Re: LPC55S Sleep counter

jtauch1 — Fri, 27 Jan 2023 20:33:52 GMT

Hi Miguel,

Thanks for the reply. Are there any appnotes that cover setting up a CTIMER to use an external IO for a clock? I think there is enough in the manual to figure it out, but if you know of something please place a link here.

It does look like the CTIMERS are available in deep-sleep.

Thanks,

John