Microcontroller User's Guide

USER’S GUIDE
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DS1283 REAL–TIME CLOCK MEMORY MAP Figure 17–7
0.1 SECONDS 0.01 SECONDS
0 10 SECONDS SECONDS
MINUTES10 MINUTES0
M 10 MIN ALARM MIN ALARM
0 12–24
10
A/P
HR HOURS
M 12–24
10
A/P
HR HR ALARM
0 0000 DAYS
M 0 0 0 0 DAY ALARM
INP O 10 DATE DATE
EOSC
ESQW
0 10 MO MONTHS
10 YEAR YEARS
TE IPSW WAM TDM WAF TDF
IBH PU
LO LVL
0.1 SECONDS 0.01 SECONDS
10 SECONDS SECONDS
00–99
00–59
00–59
00–59
01–12+A/P
00–23
01–12+A/P
00–23
01–07
01–07
01–31
01–12
00–99
00–99
00–99
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
3F
RANGE
BIT 7 BIT 0
ADDRESS
CLOCK, CALENDAR,
TIME–OF–DAY ALARM
REGISTERS
COMMAND
REGISTERS
WATCHDOG
ALARM
REGISTERS
USERS
REGISTERS
(RETRIGGERABLE/
REPETITIVE
COUNTDOWN
ALARM)