RV-3029 Datasheet, PDF (14/67 Pages) MICORO CRYSTAL SWITZERLAND – DTCXO Temperature Compensated Real Time Clock

Micro Crystal
DTCXO Temperature Compensated Real Time Clock / Calendar Module
RV-3029
Days (address 0Bh…bits description)
Address
Function
0Bh
Days
Bit 7
X
Bit 6
X
Bit 5
20
Bit 4
10
Bit 3
8
Bit 2
4
Bit 1
2
Bit 0
1
Bit
7 to 6
5 to 0
Symbol
X
Days
Value
-
1 to 31
Description
Unused
This register holds the current days coded in BCD format ¹⁾
1) _{The RTC compensates for leap years by adding a 29}th _{day to February if the year counter contains a value which is exactly divisible by 4;}
including the year 00.
Weekdays (address 0Ch…bits description)
Address
Function
Bit 7
0Ch
Weekdays
X
Bit 6
X
Bit 5
X
Bit 4
X
Bit 3
X
Bit 2
4
Bit 1
2
Bit 0
1
Bit
7 to 3
2 to 0
Weekdays¹⁾
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Symbol
X
Weekdays
Value
-
1 to 7
Bit 7
X
X
X
X
X
X
X
Description
Unused
This register holds the current weekdays coded in BCD format ¹⁾
Bit 6
X
X
X
X
X
X
X
Bit 5
X
X
X
X
X
X
X
Bit 4
X
X
X
X
X
X
X
Bit 3
X
X
X
X
X
X
X
Bit 2
0
0
0
1
1
1
1
Bit 1
0
1
1
0
0
1
1
Bit 0
1
0
1
0
1
0
1
1) _{These bits may be re-assigned by the user.}
Months (address 0Dh…bits description)
Address
Function
Bit 7
0Dh
Months
X
Bit 6
X
Bit 5
X
Bit 4
10
Bit 3
8
Bit 2
4
Bit 1
2
Bit 0
1
Bit
7 to 5
4 to 0
Symbol
X
Months
Value
-
1 to 12
Description
Unused
This register holds the current months coded in BCD format ¹⁾
Months
January
February
March
April
May
June
July
August
September
October
November
December
Bit 7
X
X
X
X
X
X
X
X
X
X
X
X
Bit 6
X
X
X
X
X
X
X
X
X
X
X
X
Bit 5
X
X
X
X
X
X
X
X
X
X
X
X
Bit 4
0
0
0
0
0
0
0
0
0
1
1
1
Bit 3
0
0
0
0
0
0
0
1
1
0
0
0
Bit 2
0
0
0
1
1
1
1
0
0
0
0
0
Bit 1
0
1
1
0
0
1
1
0
0
0
0
1
Bit 0
1
0
1
0
1
0
1
0
1
0
1
0
1) _{The RTC compensates for leap years by adding a 29}th _{day to February if the year counter contains a value which is exactly divisible by 4;}
including the year 00.
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