/******************************************************************************
The main C function. Program execution starts
here after stack initialization.
******************************************************************************/
void main (void)
{
//----------------------------------------------------
// P0.5 set as highlevel trig pin interrupt function
// Keep P0.5 connect to VDD LED will tickle
// otherwise, MCU into power down mode.
//----------------------------------------------------
Enable_INT_Port2;
//此时 PICON = 0x02