ʾʹõԴ
IR_OUT    --  PA7
UART1_RX  --  PA4

ⷢͶIR_OUTӣնUART_RX

ʾḶ́
1ϵʱӣRCH 48MHz
2ʼIRTIMIR_OUTGPIOʼUART1_RXGPIO
3ʼIRTIMزźԴTIM1TIM1_CH138KHzռձ50%PWMźţ
4ʼIRTIMĵźԴUART1UART1Ϊ2400Ĵݣ
5IRTIMزźͬʱUART1_RXͨͷսźš
