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How can I use the alternate function mapping?

Question asked by Carter Lee on Sep 11, 2017
Latest reply on Sep 11, 2017 by Clive One


Now I'm trying to understand the alternate function mapping with simple example of  "STM32F4xx_StdPeriph_Examples\USART\USART_HyperTerminal"


But there is nowhere the setting of alternate function mapping to use PA9 as USART1_TX (AF7)

I think it should be in there about the setting of alternate function mapping 

Could you please let me know how can I understand this?


Even I can find the same function USART1_TX and USART1_TX PA9 PA10 and PB6 and PB7.

So If I want to use PB6 to USART1_TX not PA9 then what am I supposed to ?

Could you please with any example snippet code?