  
		RTCѴ˯ߣSTOP״̬MCU
		demoPE15LED˸5κSTOPģʽ
		RTCжϷʱMCUMCU˯
		ִд롣	
		RTCжΪϵͳжϣRTCжϳӦд
		SYS_IRQHandler(void)С		

  ע
		MG32F02A072/132֧STOPģʽ¼ʹXOSC,
		RTCʱSTOPģʽ²ӦʹXOSCʱԴ
			
