How to use internal LFCLK?

RE: How to use internal LFCLK?

roger.k — Tue, 22 Aug 2017 23:46:50 GMT

Thank you very much for your help.

RE: How to use internal LFCLK?

bjorn-spockeli — Tue, 22 Aug 2017 09:08:20 GMT

If you're using SDK v14.0.0 then you need to modify the sdk_config.h file as described in this answer.

If you're using SDK v13.0.0 or older then you need to modify the NRF_CLOCK_LFCLKSRC define in pca10040.h as described in this answer.

Best regards

Bjørn

RE: How to use internal LFCLK?

RK — Fri, 18 Aug 2017 05:48:38 GMT

Come on now - you really need to use the search box. This is also discussed constantly and there are examples for it. Yes you can use internal LF oscillator, just set the right define for the LF clock source when you start the BLE stack and it will start the LF RC and keep it calibrated.