PA9(USART1_TX) & PA10(USART1_RX) pin failure in STM32F107RBT
Posted on January 13, 2015 at 11:02-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.