ʵĿ:
	ѧϰڵʹ(뷢)
	
ӲԴ:
	1,LED0(PA4)  LED1(PA5) 
	2,1(:9600,PA9/PA10ڰUSBתоƬCH340)
	
ʵ:
	ʵ,STM32ͨ1λԻSTM32յλַ(Իس
	н)	ԭԭķظλغLED0˸ʾУͬʱÿ
	һʱ䣬ͨ1һϢԡ 
	
ע:
	1,Զ˴ڵֲʱ9600.
	2,ʹXCOM/SSCOMڵ,ֿܿDTR/RTSMCUλ/
	3,ַԻسн.
	4,USBUSB_232,ҵUSBתںԱ.


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