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CONFIG_CLOCK_STM32_PLL_PREDIV
¶
PREDIV Prescaler
Type: int
Help¶
PREDIV is a PLL clock signal prescaler for the HSE output.
It is supported by those parts that do not support PREDIV1.
If configured on a non-supported part, this config will be ignored.
Allowed values: 1 - 16.
Direct dependencies¶
CLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F0X
|| SOC_SERIES_STM32F3X
) && !CLOCK_CONTROL_STM32_HAS_DTS
&& !SOC_SERIES_STM32MP1X
&& CLOCK_CONTROL_STM32_CUBE
&& CLOCK_CONTROL
(Includes any dependencies from ifs and menus.)
Default¶
1
Kconfig definition¶
At <Zephyr>/drivers/clock_control/Kconfig.stm32f0_f3:8
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:32
→ <Zephyr>/drivers/Kconfig:54
→ <Zephyr>/drivers/clock_control/Kconfig:25
→ <Zephyr>/drivers/clock_control/Kconfig.stm32:150
Menu path: (Top) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control
config CLOCK_STM32_PLL_PREDIV
int "PREDIV Prescaler"
range 1 16
default 1
depends on CLOCK_STM32_SYSCLK_SRC_PLL && (SOC_SERIES_STM32F0X || SOC_SERIES_STM32F3X) && !CLOCK_CONTROL_STM32_HAS_DTS && !SOC_SERIES_STM32MP1X && CLOCK_CONTROL_STM32_CUBE && CLOCK_CONTROL
help
PREDIV is a PLL clock signal prescaler for the HSE output.
It is supported by those parts that do not support PREDIV1.
If configured on a non-supported part, this config will be ignored.
Allowed values: 1 - 16.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)