Help¶

Frequency range of MSI when MSI range is provided in RCC_CR register Range 0: 100kHz Range 1: 200kHz Range 2 around 400 kHz Range 3 around 800 kHz Range 4: 1 MHz Range 5: 2 MHz Range 6: 4 MHz (reset value) Range 7: 8 MHz Range 8: 16 MHz Range 9: 24 MHz Range 10: 32 MHz Range 11: 48 MHz

Direct dependencies¶

(CLOCK_STM32_SYSCLK_SRC_MSI && BT && BOARD_DISCO_L475_IOT1) || (CLOCK_STM32_SYSCLK_SRC_MSI && CLOCK_CONTROL_STM32_CUBE && SOC_FAMILY_STM32 && CLOCK_CONTROL)

(Includes any dependencies from if’s and menus.)

Defaults¶

8 if CLOCK_STM32_SYSCLK_SRC_MSI && BT && BOARD_DISCO_L475_IOT1
8 if CLOCK_STM32_SYSCLK_SRC_MSI && CLOCK_CONTROL_STM32_CUBE && SOC_FAMILY_STM32 && CLOCK_CONTROL

Kconfig definitions¶

At boards/arm/disco_l475_iot1/Kconfig.defconfig:21

Included via Kconfig:10 → Kconfig.zephyr:19

Menu path: (top menu)

config CLOCK_STM32_MSI_RANGE
    int
    default 8 if CLOCK_STM32_SYSCLK_SRC_MSI && BT && BOARD_DISCO_L475_IOT1
    depends on CLOCK_STM32_SYSCLK_SRC_MSI && BT && BOARD_DISCO_L475_IOT1

At drivers/clock_control/Kconfig.stm32:70

Included via Kconfig:10 → Kconfig.zephyr:29 → drivers/Kconfig:54 → drivers/clock_control/Kconfig:45

Menu path: (top menu) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control

config CLOCK_STM32_MSI_RANGE
    int
    prompt "MSI frequency range" if CLOCK_STM32_SYSCLK_SRC_MSI && CLOCK_CONTROL_STM32_CUBE && SOC_FAMILY_STM32 && CLOCK_CONTROL
    default 8 if CLOCK_STM32_SYSCLK_SRC_MSI && CLOCK_CONTROL_STM32_CUBE && SOC_FAMILY_STM32 && CLOCK_CONTROL
    depends on CLOCK_STM32_SYSCLK_SRC_MSI && CLOCK_CONTROL_STM32_CUBE && SOC_FAMILY_STM32 && CLOCK_CONTROL
    help
      Frequency range of MSI when MSI range is provided in RCC_CR register
      Range 0: 100kHz
      Range 1: 200kHz
      Range 2 around 400 kHz
      Range 3 around 800 kHz
      Range 4: 1 MHz
      Range 5: 2 MHz
      Range 6: 4 MHz (reset value)
      Range 7: 8 MHz
      Range 8: 16 MHz
      Range 9: 24 MHz
      Range 10: 32 MHz
      Range 11: 48 MHz

(Definitions include propagated dependencies, including from if’s and menus.)