M41T62_06 STMICROELECTRONICS [STMicroelectronics], M41T62_06 Datasheet - Page 22

• Manufacturer Part Number: M41T62_06
• Description: Serial Access Real-Time Clock with Alarms
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Clock operation
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Table 6.
1. Keys:
Addr
M
0Ch
0Dh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Eh
0Fh
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
FT = frequency test bit
OF = oscillator fail bit
OFIE = oscillator fail interrupt enable bit
OUT = output level
RB0 - RB2 = watchdog resolution bits
RPT1-RPT5 = alarm repeat mode bits
S = sign bit
ST = stop bit
WDF = watchdog flag bit (read only)
RPT4
RPT3
RPT2
RPT1
OFIE
WDF
OUT
CB1
RB2
AFE
D7
ST
0
0
0
M41T65 register map
BMB4 BMB3
RPT5
CB0
D6
AF
0.1 seconds
FT
0
0
0
0
0
Alarm 10 seconds
10 Years
Alarm 10 minutes
10 seconds
10 minutes
D5
S
0
0
0
0
AI 10 date
AI 10 hour
10 hours
10 date
Al 10M
BMB2
10M
D4
0
0
(1)
BMB1 BMB0
D3
0
0
Hours (24 hour format)
Calibration
Date: day of month
Alarm seconds
Alarm minutes
0.01 seconds
Alarm month
Alarm date
Alarm hour
OF
D2
Seconds
Minutes
Month
Day of week
Year
RB1
D1
0
RB0
D0
0
10ths/100ths
of seconds
Calibration
Watchdog
Function/range BCD
Al month
Seconds
Century/
Minutes
Al hour
Al date
month
Al min
Hours
Al sec
Date
Flags
Year
Day
M41T62/63/64/65
format
0-3/01-12
00-99
00-59
00-59
00-23
01-31
00-99
01-12
01-31
00-23
00-59
00-59
01-7