SEL=MAIN_CLOCK
Async APB clock source select B
SEL | Clock source for asynchronous clock source selector B. 0 (MAIN_CLOCK): Main clock 1 (CLKIN): CLKIN 2 (SYSTEM_PLL_OUTPUT): System PLL output. 3 (ASYNCAPBCLKSELA): ASYNCAPBCLKSELA. Clock selected by the ASYNCAPBCLKSELA register. |
RESERVED | Reserved |