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S120 RC clock problem

Can the S120 work without RTC XTAL? Iam using SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION, false); but it still hangs in the softdevice_handler_init function. The internal RC is working fine with the S110 for my hardware?

Thanks Alex

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  • Hi Petter

    Thanks for your answer

    I have tried all defines and just the NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM is working. The SVC to the S120 is only returning with the "NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION" and the error_code is 0x1000 == "NRF_ERROR_SDM_LFCLK_SOURCE_UNKNOWN" Iam using S120 with the fwid: 0x4a s120_nrf51822_0.8.0-3.alpha_softdevice.hex and nRF51822QFAAC0.

    I have another problem the function err_code = sd_ble_gap_scan_start(&m_scan_param); is returning with an error_code = 0x3001 BLE_ERROR_INVALID_CONN_HANDLE

    Thanks Alex

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  • Hi Petter

    Thanks for your answer

    I have tried all defines and just the NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM is working. The SVC to the S120 is only returning with the "NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION" and the error_code is 0x1000 == "NRF_ERROR_SDM_LFCLK_SOURCE_UNKNOWN" Iam using S120 with the fwid: 0x4a s120_nrf51822_0.8.0-3.alpha_softdevice.hex and nRF51822QFAAC0.

    I have another problem the function err_code = sd_ble_gap_scan_start(&m_scan_param); is returning with an error_code = 0x3001 BLE_ERROR_INVALID_CONN_HANDLE

    Thanks Alex

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