RV-3029 Datasheet, PDF (13/67 Pages) MICORO CRYSTAL SWITZERLAND – DTCXO Temperature Compensated Real Time Clock

Micro Crystal
DTCXO Temperature Compensated Real Time Clock / Calendar Module
RV-3029
3.2.5.CONTROL_RESET (address 04h…bits description)
Address
04h
Function
Control_Reset
Bit 7
X
Bit 6
X
Bit 5
X
Bit 4
SysR
Bit 3
X
Bit 2
X
Bit 1
X
Bit 0
X
Bit
7 to 5
4
3 to 0
Symbol
unused
SysR
unused
Value
X
0
1
X
Description
Unused
No System Reset will be executed
Set bit = “1” triggers a System Reset. After the
restart of the logic, the SysR will be cleared and in
bit 4 “SR” in the register Control_Status will be set
Unused
Reference
See section 4.2.1.
Bit positions labelled as “X” are not implemented and will return a “0” when read.
3.3. WATCH PAGE REGISTER FUNCTION
Watch Page registers are coded in the Binary Coded Decimal (BCD) format; BCD format is used to simplify
application use.
3.3.1.SECONDS, MINUTES, HOURS, DAYS, WEEKDAYS, MONTHS, YEARS REGISTER
Seconds (address 08h…bits description)
Address
Function
Bit 7
08h
Seconds
X
Bit 6
40
Bit 5
20
Bit 4
10
Bit 3
8
Bit 2
4
Bit 1
2
Bit
7
6 to 0
Symbol
X
Seconds
Value
-
0 to 59
Description
Unused
This register holds the current seconds coded in BCD format
Bit 0
1
Minutes (address 09h…bits description)
Address
Function
Bit 7
09h
Minutes
X
Bit 6
40
Bit 5
20
Bit 4
10
Bit 3
8
Bit 2
4
Bit 1
2
Bit
7
6 to 0
Symbol
X
Minutes
Value
-
0 to 59
Description
Unused
This register holds the current minutes coded in BCD format
Bit 0
1
Hours (address 0Ah…bits description)
Address
Function
0Ah
Hours
Bit 7
X
Bit 6
12-24
Bit 5
20-PM
Bit 4
10
Bit 3
8
Bit 2
4
Bit 1
2
Bit
Symbol
7
X
12 hour mode (AM/PM)
6
12-24
5
4 to 0
24 hour mode
6
5 to 0
20-PM
Hours¹⁾
12-24
Hours¹⁾
Value
-
Unused
Description
0
1
0
1
1 to 12
Selects 24-hour mode
Selects 12-hour (AM/PM) mode
Indicates AM
Indicates PM
This register holds the current hours coded in BCD format
0
1
0 to 23
Selects 24-hour mode
Selects 12-hour AM/PM mode
This register holds the current hours coded in BCD format
1) _{User is requested to pay attention setting valid data only.}
Bit 0
1
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