7. Real-Time Clock
ÛZIATECH
51
Real-Time Clock Register Addressing
Offset
Address
Function
Range
0h
Time-Seconds
0-59
1h
Alarm-Seconds
0-59
2h
Time-Minutes
0-59
3h
Alarm-Minutes
0-59
4h
Time-Hours
(12 hour mode)
1-12
4h
Time-Hours
(24 hour mode)
0-23
5h
Alarm-Hours
0-23
6h
Day of Week
1-7
7h
Date of Month
1-31
8h
Month
1-12
9h
Year
0-99
Ah-Dh
Register A-D
----
Eh-7Fh
General Purpose
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ADDITIONAL INFORMATION
Refer to the Acer Labs
FINALI-486 M1487/M1489 486 PCI Chip Set Preliminary Data
Sheet
for more information on the real-time clock operating modes.