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RV-3049 Datasheet(PDF) 26 Page - MICORO CRYSTAL SWITZERLAND

Part # RV-3049
Description  DTCXO Temperature Compensated Real Time Clock
PDF  65 Pages
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Manufacturer  MICROCRYSTAL [MICORO CRYSTAL SWITZERLAND]
Direct Link  http://www.microcrystal.com
Logo MICROCRYSTAL - MICORO CRYSTAL SWITZERLAND

RV-3049 Datasheet(HTML) 26 Page - MICORO CRYSTAL SWITZERLAND

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Micro Crystal
DTCXO Temperature Compensated Real Time Clock / Calendar Module
RV-3049
26/65
4.2.2.REGISTER RESET VALUES
Address
Function
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
Address
Hex
Bit 7 - 3
Bit 2 - 0
Control page
00000
000
00h
Control_1
1
0
0
1
1
0
0
1
001
01h
Control_INT
-
-
-
0
0
0
0
0
010
02h
Control_INT Flag
-
-
-
0
1)
0
0
0
0
011
03h
Control_Status
EEbusy
X
0
2)
0
3)
X
X
X
X
100
04h
Control_Reset
-
-
-
0
-
-
-
-
Clock page
00001
000
08h
Seconds
-
X
X
X
X
X
X
X
001
09h
Minutes
-
X
X
X
X
X
X
X
010
0Ah
Hours
-
X
X
X
X
X
X
X
011
0Bh
Days
-
-
X
X
X
X
X
X
100
0Ch
Weekdays
-
-
-
-
-
X
X
X
101
0Dh
Months
-
-
-
X
X
X
X
X
110
0Eh
Years
-
X
X
X
X
X
X
X
Alarm page
00010
000
10h
Second Alarm
AE_S
X
X
X
X
X
X
X
001
11h
Minute Alarm
AE_M
X
X
X
X
X
X
X
010
12h
Hour Alarm
AE_H
X
X
X
X
X
X
X
011
13h
Days Alarm
AE_D
-
X
X
X
X
X
X
100
14h
Weekday Alarm
AE_W
-
-
-
-
X
X
X
101
15h
Months Alarm
AE_M
-
-
X
X
X
X
X
110
16h
Year Alarm
AE_Y
X
X
X
X
X
X
X
Timer page
00011
000
18h
Timer Low
X
X
X
X
X
X
X
X
001
19h
Timer High
X
X
X
X
X
X
X
X
Temperature page
00100
000
20h
Temperature
X
X
X
X
X
X
X
X
EEPROM User
00101
000
28h
EEPROM User
2 bytes of EEPROM for user data
001
29h
EEPROM User
EEPROM Control page
00110
000
30h
EEPROM Contr.
0
4)
0
4)
0
4)
0
4)
0
4)
0
4)
1
4)
0
4)
001
31h
Xtal Offset
Factory setting: Xtal frequency deviation
010
32h
Xtal Coef
Factory setting: Xtal temperature coefficient
011
33h
Xtal T0
-
-
Factory setting: Xtal T0 temperature
RAM page
00111
000
38h
User RAM
8 bytes of RAM for user data
:
:
111
3Fh
– bits labelled as – are not implemented.
X bits labelled as X are undefined at power-up and unchanged by subsequent resets.
1) SRF flag (bit 4 in register Control_INT Flag) will be set = “1” after a Self Recovery System Reset was executed.
2) PON flag (bit 5 in register Control_Status) will be set = “1” after a Power On Reset was executed.
3) SR flag (bit 4 in register Control_Status) will be set = “1” after a System or Self recovery Reset was executed.
4) EEPROM Control default data are set by factory; data might be reprogrammed by customer and will remain unchanged during power down or
any Reset executed.



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