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PA9(USART1_TX) & PA10(USART1_RX) pin failure in STM32F107RBT

Question asked by patil.amit.002 on Jan 13, 2015
Latest reply on Jan 13, 2015 by Clive One
-I have observed PA9(USART1_TX) & PA10(USART1_RX) pin failure in STM32F107RBT, this pins are 5V Tolerant-FT
- STM32 supply voltage is 3.3V
- it is interfaced to another micro controller which runs on 5V.  

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