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How to select a particular peripheral for a pin on F107

Question asked by Wood.Robert on Sep 5, 2016
Latest reply on Sep 6, 2016 by Wood.Robert

Can't see anything in the user manual about this. With the Atmel M3/M4s if you have a pin that has multiple uses such as UART/Timer/Ethernet there's a register to program that selects which of the peripherals will be routed to the pin.

On the STM32 I can see no such register. So, for example, on the F107, PB10 can be I2C, USART3 or Ethernet. How does one choose the appropriate function please?