Help¶

If calibration is disabled when RC is used for low frequency clock then accuracy of the low frequency clock will degrade. Disable on your own risk.

Direct dependencies¶

!SOC_SERIES_NRF91X && CLOCK_CONTROL_NRF_K32SRC_RC && CLOCK_CONTROL_NRF && CLOCK_CONTROL

(Includes any dependencies from ifs and menus.)

Defaults¶

n if BOARD_NRF5340PDK_NRF5340_CPUAPP || BOARD_NRF5340PDK_NRF5340_CPUAPPNS
y

Kconfig definition¶

At <Zephyr>/drivers/clock_control/Kconfig.nrf:57

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:32 → <Zephyr>/drivers/Kconfig:54 → <Zephyr>/drivers/clock_control/Kconfig:23

Menu path: (Top) → Device Drivers → Hardware clock controller support → NRF Clock controller support

config CLOCK_CONTROL_NRF_K32SRC_RC_CALIBRATION
    bool "Enable LF clock calibration"
    default n if BOARD_NRF5340PDK_NRF5340_CPUAPP || BOARD_NRF5340PDK_NRF5340_CPUAPPNS
    default y
    depends on !SOC_SERIES_NRF91X && CLOCK_CONTROL_NRF_K32SRC_RC && CLOCK_CONTROL_NRF && CLOCK_CONTROL
    help
      If calibration is disabled when RC is used for low frequency clock then
      accuracy of the low frequency clock will degrade. Disable on your own
      risk.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)