ʾʹõԴ
IR_OUT      PA9
UART1_RX    PA11

ⷢͶIR_OUTӣնUART_RX

ʾḶ́
1ϵʱRCH48MHz
2ʼIRTIMIR_OUTGPIOʼUART1_RXGPIO
3ʼIRTIMزźԴTIM3TIM3_CH138KHzռձ50%PWMźţ
4ʼIRTIMĵźԴUART1UART1Ϊ2400Ĵݣ
5IRTIMزźͬʱUART1_RXͨͷսźš

