AMD SB600 - Manual (Page 290)

©2008 Advanced Micro Devices, Inc. Real Time Clock (RTC)
AMD SB600 Register Reference Manual Proprietary Page 290
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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