RV-8523 Datasheet, PDF (14/57 Pages) MICORO CRYSTAL SWITZERLAND – Real Time Clock

Micro Crystal
Real Time Clock / Calendar Module
RV-8523
8.3.5.WEEKDAYS (address 07h…bits description)
Address
07h
Function
Weekdays
Bit 7
X
Bit 6
X
Bit 5
X
Bit 4
X
Bit 3
X
Bit 2
4
Bit 1
2
Bit
7 to 3
2 to 0
Symbol
X
Weekdays
Value
-
0 to 6
Description
Unused
This register holds the current weekday
Weekdays¹⁾
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Bit 7
X
X
X
X
X
X
X
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
1) _{Definition may be re-assigned by the user.}
8.3.6.MONTHS (address 08h…bits description)
Address
08h
Function
Months
Bit 7
X
Bit 6
X
Bit 5
X
Bit 4
10
Bit 3
8
Bit 2
0
0
0
0
1
1
1
Bit 2
4
Bit 1
0
0
1
1
0
0
1
Bit 1
2
Bit
7 to 5
4 to 0
Symbol
X
Months
Value
-
1 to 12
Description
Unused
This register holds the current month coded in BCD format
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
Bit 0
0
1
0
1
0
1
0
Bit 0
1
Bit 0
1
0
1
0
1
0
1
0
1
0
1
0
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