DS1495 Datasheet, PDF (6/19 Pages) Dallas Semiconductor – RAMified Real Time Clock

DS1495/DS1497
REAL TIME CLOCK RAM MAP Figure 2
RTC
INDIRECT ADDRESS REGISTER
RTC +1
RTC DATA REGISTER
INDIRECT
ADDRESS
00
00
14–BYTES
RTC
0D
13
14
0E
50–BYTES
USER RAM
63
3F
EXTENDED RAM ADDRESS MAP Figure 3
14– BYTES
REAL TIME CLOCK
00
SECONDS
01 SECONDS ALARM
02
MINUTES
03
MINUTES ALARM
04
HOURS
05
HOURS ALARM
06
DAY OF WEEK
07
DAY OF MONTH
08
MONTH
09
YEAR
0A
REGISTER A
0B
REGISTER B
0C
REGISTER C
0D
REGISTER D
020894 6/19
XRAM
THRU
XRAM + 1F
XRAM + 20
XRAM + 21
THRU
XRAM + 3F
256 PAGES
OF 32–BYTES
EXTENDED RAM
PAGE FF
02
01
PAGE 00
XRAM PAGE REGISTER
ALIASES OF
PAGE REGISTER