When initializing the S110 softdevice, I can choose between the different clock sources as defined by the nrf_clock_lfclksrc_t enum: /**@brief Possible lfclk oscillator sources. */ enum NRF_CLOCK_LFCLKSRCS { NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, /…

I am using the original board. Crystal of 32kHz has not been mounted on this. So, I want to use the internal RC Oscillator. In addition, I use a hrs example of nRF5_SDK_11.0.0. I write “NRF_CLOCK-> LFCLKSRC = 0” and selected RC oscillator, but do not…

Hi I'm currently working on a small nRF52 based design, and I have been asked to keep the cost as low as possible, while maintaining a good battery life while being powered by a CR2032. The application will be advertising and transmitting data once…

Hello all, Our product based on nRF51 is on preproduction stage. We use both 16MHz and 32kHz external crystals. The question is: Is there any way to check programatically if 32kHz crystal soldered/soldered properly/works fine? We noticed that…

Good afternoon, I'm using an extern 32KHz crystall oscillator. Is it necessary to calibrate it? If yes, should I also use the CAL task? Best regards.