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STM32F303 clock startup

Question asked by bigden.gary on Mar 6, 2015
Latest reply on Mar 9, 2015 by bigden.gary
With a clock module connected to the OSCin (HSE) does the chip start up using that or does the internal osc start the MCU and a s/w setup change over to the external clock? Otherwise how does it know what frequency is being input?

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