USART1ַ 0x30 0x31 0x32 0x33 0x34

USART1ڴڽжнݣյַ0x30 0x31 0x32 0x33 0x34PA5ת

USART2ã  PA1  -> UART1_TX
	        PA0  -> UART1_RX
                        =19200λ=8 Уλ=no ֹͣλ=1

ע⣺ENߣӻء