NXP Semiconductors freescale semiconductor ColdFire MCF51CN128 Series, Reference Manual

Page: 266 / 487

Real-Time Counter (RTC)
MCF51CN128 Reference Manual, Rev. 6
Freescale Semiconductor 12-8
RTCSC.byte = RTCSC.byte | 0x80;
/* RTC interrupts every 1 Second */
+;
/* 60 seconds in a minute */
if (Seconds > 59){
+;
Seconds = 0;
}
/* 60 minutes in an hour */
if (Minutes > 59){
Hours++;
Minutes = 0;
}
/* 24 hours in a day */
if (Hours > 23){
Days ++;
Hours = 0;
}
}