libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
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VCO Division factor R for PLLRCLK clock output [2..8]. More...
Macros | |
#define | RCC_PLLCFGR_PLLR_DIV(x) ((x)-1) |
VCO Division factor R for PLLRCLK clock output [2..8].
Frequency must not exceed 64mhz in voltage range 1, or 16mhz in voltage range 2.