STM32F407 QFP144
PIN No. IO UART
P124 = PG9 = USART6-RX
P129 = PG14 = USART6-TX
P119 = PD5 = USART2-TX
P122 = PD6 = USART2-RX
P113 = PC12 = USART5-TX
P116 = PD2 = USART5-RX
P111 = PC10 = USART4-TX/USART3-TX
P112 = PC12 = USART4-RX/USART3-RX
P101 = PA9 = USART1-TX
P102 = PA10 = USART1-RX
P96 = PC6 = USART6-TX
P97 = PC7 = USART6-RX
P77 = PD8 = USART3-TX
P78 = PD9 = USART3-RX
P69 = PB10 = USART3-TX
P70 = PB11 = USART3-RX
P36 = PA2 = USART2-TX
P37 = PA3 = USART2-RX
P34 = PA0 = USART4-TX
P35 = PA1 = USART4-RX