void Timer0_IRQHandler(void) interrupt 1             //8usÖжÏÒ»´Î
{

    if (Uln2803.cCount > 16)
		Uln2803.cCount = 0;

	P0 = cPwmDriveBuffer[Uln2803.cCount];				

   	++ Uln2803.cCount;
}