M41T94MH6TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M41T94MH6TR Datasheet PDF : 40 Pages
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M41T94
Clock operations
Table 4. Clock register map(1)
Addr
D7
00h
D6 D5 D4
0.1 seconds
D3 D2 D1 D0
0.01 seconds
Function/range
BCD format
Seconds
00-99
01h ST
10 seconds
Seconds
Seconds
00-59
02h
0
10 minutes
03h CEB CB
10 Hours
Minutes
Hours (24 hour format)
Minutes
00-59
Century/hours 0-1/00-23
04h TR
0
0
0
0
Day of week
Day
01-7
05h
0
0
10 date
06h
0
0
0 10M
Date: day of month
Month
Date
Month
01-31
01-12
07h
10 Years
Year
Year
00-99
08h OUT FT
S
Calibration
Control
09h WDS BMB4 BMB3 BMB2 BMB1 BMB0 RB1 RB0 Watchdog
0Ah AFE SQWE ABE Al 10M
Alarm month
Al month
01-12
0Bh RPT4 RPT5
0Ch RPT3 HT
AI 10 date
AI 10 hour
Alarm date
Alarm hour
Al date
Al hour
01-31
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
BL
0
0
0
0
Flags
10h
0
0
0
0
0
0
0
0
Reserved
11h
0
0
0
0
0
0
0
0
Reserved
12h
0
0
0
0
0
0
0
0
Reserved
13h RS3 RS2 RS1 RS0 0
0
0
0
SQW
1. Keys:
S = Sign bit
FT = Frequency Test bit
ST = Stop bit
0 = Must be set to zero
BL = Battery low Flag (Read only)
BMB0-BMB4 = Watchdog Multiplier bits
CEB = Century Enable bit
CB = Century bit
OUT = Output level
AFE = Alarm Flag Enable Flag
RB0-RB1 = Watchdog Resolution bits
WDS = Watchdog Steering bit
ABE = Alarm in Battery Back-Up mode Enable bit
RPT1-RPT5 = Alarm Repeat mode bits
WDF = Watchdog Flag (Read only)
WDF = Watchdog Flag (Read only)
AF = Alarm Flag (Read only)
SQWE = Square Wave Enable
RS0-RS3 = SQW Frequency
HT = Halt Update bit
TR = tREC bit
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