[hoangnguyen_qn]

VOID WRITE_12C887(int time1,int time2)
{
SET_TRIS_b(0);
DS=0;
DS=1;
RW=0;
RW=1;
PORTb=TIME1; //dia chi can ghi du lieu
AS=1;
AS=0;
PORTb=TIME2;//DATA can ghi
RW=0;
AS=1;
}
VOID READ_12C887(int time1)
{
SET_TRIS_b(0);
DS=0;
DS=1;
RW=0;
RW=1;
AS=0;
AS=1;
PORTb=TIME1; //dia chi can doc
AS=0;
DS=0;
set_tris_b(255);
TIME=PORTb;
AS=1;
}
Void khoi_tao()
{

write_12c887(0x10,00100000);//register a
write_12c887(0x11,01010110);//register b
write_12c887(0x00,0x00);//second
//write_12c887(0x01,01010110);
write_12c887(0x02,0x00);//mininute
//write_12c887(0x03,01010110);
write_12c887(0x04,0x07);//hour
//write_12c887(0x05,01010110);
write_12c887(0x06,0x05);//day of week
write_12c887(0x07,0x05);//day of month
write_12c887(0x08,0x05);//month
write_12c887(0x09,0x05);//year

}