AMD SB600 User Manual
Page 290
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©2008 Advanced Micro Devices, Inc.
Real Time Clock (RTC)
AMD SB600 Register Reference Manual
Proprietary
Page 290
.
Figure 5 Register Bank Definition and Memory Address Mapping
The analog portion consists of two major parts: one is a 256-byte CMOS RAM and the other a 44-bit ripple
counter.
Register Name
Offset Address
Seconds 00h
Seconds Alarm
01h
Minutes 02h
Minutes Alarm
03h
Hours 04h
Hours Alarm
05h
Day of Week
06h
Date of Month
07h
Month 08h
Year 09h
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