RV-4162 Datasheet, PDF (15/39 Pages) MICORO CRYSTAL SWITZERLAND – Ultra Small Real Time Clock

Micro Crystal
Ultra Small Real Time Clock / Calendar Module
3.6. DATA FLOW OF TIME AND DATE FUNCTION
32.768kHz
Oscillator
10^th / 100^th
SECOND
SECONDS
MINUTES
LEAP YEAR
CALCULATION
HOURS
DAYS / DATE
MONTHS
YEARS
CENTURY
WEEKDAY
RV-4162
3.7. REGISTER RESET VALUE
Address
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
Function
10th / 100th Second
Seconds
Minutes
Hours
Day
Date
Month / Century
Years
Freq. Compensation
Watchdog
Month Alarm
Date Alarm
Hour Alarm
Minute Alarm
Second Alarm
Flags
Bit 7
X
0
0
X
0
X
X
X
1
0
0
X
X
X
X
X
Bit 6
X
X
X
X
0
X
X
X
X
0
1
X
X
X
X
X
Bit 5
X
X
X
X
0
X
X
X
X
0
X
X
X
X
X
X
Bit 4
X
X
X
X
1
X
X
X
X
0
X
X
X
X
X
X
Bit positions labelled as “X” are undefined at power-on and unchanged by subsequent resets.
Bit 3
X
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
Bit 2
X
X
X
X
X
X
X
X
X
0
X
X
X
X
X
1
Bit 1
X
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
Bit 0
X
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
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