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author | Kevin O'Connor <kevin@koconnor.net> | 2025-05-31 17:00:18 -0400 |
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committer | Kevin O'Connor <kevin@koconnor.net> | 2025-06-02 13:15:53 -0400 |
commit | 105ce35e1ba813b7ebe1be2a87fd852a5f7b66f5 (patch) | |
tree | 0c0c55df7baba74b5eaf4f400744cc4e2e9a93dc /src/stm32/stm32l4.c | |
parent | c0ca4c5cc7379046221a250ce9c90f514e85ca7e (diff) | |
download | kutter-105ce35e1ba813b7ebe1be2a87fd852a5f7b66f5.tar.gz kutter-105ce35e1ba813b7ebe1be2a87fd852a5f7b66f5.tar.xz kutter-105ce35e1ba813b7ebe1be2a87fd852a5f7b66f5.zip |
stm32: Add comments on PLL frequency requirements to clock setup code
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/stm32/stm32l4.c')
-rw-r--r-- | src/stm32/stm32l4.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/stm32/stm32l4.c b/src/stm32/stm32l4.c index ae099d6b..3100a741 100644 --- a/src/stm32/stm32l4.c +++ b/src/stm32/stm32l4.c @@ -68,6 +68,8 @@ gpio_clock_enable(GPIO_TypeDef *regs) RCC->AHB2ENR; } +// PLL (L412) input: 4 to 16Mhz, vco: 96 to 344Mhz, output: 12 to 80Mhz + #if !CONFIG_STM32_CLOCK_REF_INTERNAL DECL_CONSTANT_STR("RESERVE_PINS_crystal", "PC14,PC15"); #endif |