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M41T62 Datasheet(PDF) 14 Page - STMicroelectronics

Part # M41T62
Description  Serial Access Real-Time Clock with Alarms
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T62 Datasheet(HTML) 14 Page - STMicroelectronics

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M41T62/63/64/65
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Table 3. M41T62 Register Map
Keys: 0 = Must be set to '0'
AF = Alarm Flag (Read only)
AFE = Alarm Flag Enable Flag
BMB0 - BMB4 = Watchdog Multiplier Bits
CB0-CB1 = Century Bits
OF = Oscillator Fail Bit
OFIE = Oscillator Fail Interrupt Enable Bit
OUT = Output level
RB0 - RB2 = Watchdog Resolution Bits
RPT1-RPT5 = Alarm Repeat Mode Bits
RS0-RS3 = SQW Frequency Bits
S = Sign Bit
SQWE = Square Wave Enable Bit
ST = Stop Bit
WDF = Watchdog Flag Bit (Read only)
Addr
Function/Range BCD
Format
D7
D6
D5
D4
D3
D2
D1
D0
00h
0.1 Seconds
0.01 Seconds
10ths/100ths
of Seconds
00-99
01h
ST
10 Seconds
Seconds
Seconds
00-59
02h
OFIE
10 Minutes
Minutes
Minutes
00-59
03h
0
0
10 Hours
Hours (24 Hour Format)
Hours
00-23
04h
RS3
RS2
RS1
RS0
0
Day of Week
Day
01-7
05h
0
0
10 Date
Date: Day of Month
Date
01-31
06h
CB1
CB0
0
10M
Month
Century/
Month
0-3/01-12
07h
10 Years
Year
Year
00-99
08h
OUT
0
S
Calibration
Calibration
09h
RB2
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
0Ah
AFE
SQWE
0
Al 10M
Alarm Month
Al Month
01-12
0Bh
RPT4
RPT5
AI 10 Date
Alarm Date
Al Date
01-31
0Ch
RPT3
0
AI 10 Hour
Alarm Hour
Al Hour
00-23
0Dh
RPT2
Alarm 10 Minutes
Alarm Minutes
Al Min
00-59
0Eh
RPT1
Alarm 10 Seconds
Alarm Seconds
Al Sec
00-59
0Fh
WDF
AF
0
0
0
OF
0
0
Flags



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