DS1283 Datasheet, PDF (3/5 Pages) Dallas Semiconductor – Watchdog Timekeeper Chip

DS1283
DS1283 WATCHDOG TIMEKEEPER REGISTERS Figure 1
ADDRESS BIT 7
0
0.1 SECONDS
BIT 0
0.01 SECONDS
RANGE
00–99
CLOCK, CALENDAR,
TIME OF DAY ALARM
REGISTERS
1
0
10 SECONDS
SECONDS
2
0
10 MINUTES
MINUTES
3
M
10 MIN ALARM
4
0
12/24 ¹⁰
HR
A/P
5
M 12/24 ¹⁰
HR
A/P
6
0
0
0
0
MIN ALARM
HOURS
HR ALARM
0
DAYS
00–59
00–59
00–59
01–12+A/P
00–23
01–12+A/P
00–23
01–07
THIS BIT IS FORCED
TO ZERO ON THE
DS1286
COMMAND
REGISTERS
(RETRIGGERABLE/
REPETITIVE COUNTDOWN
ALARM)
WATCHDOG
ALARM
REGISTERS
USER
REGISTERS
7
M
0
0
0
0
DAY ALARM
8 ^INP
0
10 DATE
9 _{EOSC ESQW 0 10MO}
DATE
MONTHS
01–07
01–31
01–12
A
10 YEARS
YEARS
00–99
B
TE
IPSW
IBH PU
LO LVL
WAM
TDM
WAF
TDF
C
0.1 SECONDS
0.01 SECONDS
00–99
D
10 SECONDS
SECONDS
00–99
E

3F
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