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libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
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PLL input clock source. More...

Macros | |
| #define | RCC_PLLCFGR_PLLSRC_NONE 0 |
| #define | RCC_PLLCFGR_PLLSRC_HSI16 2 |
| #define | RCC_PLLCFGR_PLLSRC_HSE 3 |
PLL input clock source.