˹̽TIM0 ΪPWMĲ

ʾܽܣ
	PA10 30msתPB6 ڣTIM0ΪPWMηʽͨ0أͨ1½ء
	PA9ͨ0жϴת
	
1. ʾ 
	Ƶʣ96M
	
	ʱڼ㹫ʽ(period+1)/Freq *(Prescaler)   
	                   = (0xFFFF+1)/96000000 * (128)
					   =  0.0873s

	