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MCP79412 Datasheet(PDF) 11 Page - Microchip Technology

Part # MCP79412
Description  I2C??Real-Time Clock/Calendar with EEPROM, SRAM, Unique ID and Battery Switchover
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP79412 Datasheet(HTML) 11 Page - Microchip Technology

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 2011 Microchip Technology Inc.
Preliminary
DS22266B-page 11
MCP7941X
TABLE 4-1:
RTCC MEMORY MAP
Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Function
Range
Reset
State
00h
ST
10 Seconds
Seconds
Seconds
00-59
00h
01h
10 Minutes
Minutes
Minutes
00-59
00h
02h
12/24
10 Hour
AM/PM
10 Hour
Hour
Hours
1-12 + AM/PM
00 - 23
00h
03h
OSCON
VBAT
VBATEN
Day
Day
1-7
01h
04h
10 Date
Date
Date
01-31
01h
05h
LP
10 Month
Month
Month
01-12
01h
06h
10 Year
Year
Year
00-99
01h
07h
OUT
SQWE
ALM1
ALM0
EXTOSC
RS2
RS1
RS0
Control Reg.
80h
08h
CALIBRATION
Calibration
00h
09h
UNIQUE UNLOCK ID SEQUENCE
Unlock ID
00h
0Ah
10 Seconds
Seconds
Seconds
00-59
00h
0Bh
10 Minutes
Minutes
Minutes
00 - 59
00h
0Ch
12/24
10 Hour
AM/PM
10 Hours
Hour
Hours
1-12 + AM/PM
00-23
00h
0Dh
ALM0POL
ALM0C2
ALM0C1
ALM0C0
ALM0IF
Day
Day
1-7
01h
0Eh
10 Date
Date
Date
01-31
01h
0Fh
10 Month
Month
Month
01-12
01h
10h
Reserved – Do not use
Reserved
01h
11h
10 Seconds
Seconds
Seconds
00-59
00h
12h
10 Minutes
Minutes
Minutes
00-59
00h
13h
12/24
10 Hour
AM/PM
10 Hours
Hour
Hours
1-12 + AM/PM
00-23
00h
14h
ALM1POL
ALM1C2
ALM1C1
ALM1C0
ALM1IF
Day
Day
1-7
01h
15h
10 Date
Date
Date
01-31
01h
16h
10 Month
Month
Month
01-12
01h
17h
Reserved - Do not use
Reserved
01h
18h
10 Minutes
Minutes
00h
19h
12/24
10 Hour
AM/PM
10 Hours
Hour
00h
1Ah
10 Date
Date
00h
1Bh
Day
10 Month
Month
00h
1Ch
10 Minutes
Minutes
00h
1Dh
12/24
10 Hour
AM/PM
10 Hours
Hour
00h
1Eh
10 Date
Date
00h
1Fh
Day
10 Month
Month
00h


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