libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
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Division factor M [1..8] for PLL input clock. More...
Macros | |
#define | RCC_PLLCFGR_PLLM_DIV(x) ((x)-1) |
Division factor M [1..8] for PLL input clock.
Input frequency must be between 4mhz and 16mhz.