参数资料
型号: M48T129V-70PM1
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP32
封装: 0.600 INCH, PLASTIC, MODULE, DIP-32
文件页数: 6/30页
文件大小: 483K
代理商: M48T129V-70PM1
M48T129Y, M48T129V
14/30
Table 5. TIMEKEEPER Register Map
Keys: S = SIGN Bit
FT = FREQUENCY TEST Bit
R = READ Bit
W = WRITE Bit
ST = STOP Bit
0 = Must be set to '0'
Y = '1' or '0‘
BL = Battery Low (Read only)
AF = Alarm Flag (Read only)
WDS = Watchdog Steering Bit
BMB0-BMB4 = Watchdog Multiplier Bits
RB0-RB1 = Watchdog Resolution Bits
AFE = Alarm Flag Enable
ABE = Alarm in Battery Back-up Mode Enable
RPT1-RPT5 = Alarm Repeat Mode Bits
WDF = Watchdog Flag (Read only)
Address
Data
Function/Range
BCD Format
D7
D6
D5
D4
D3
D2
D1
D0
1FFFFh
10 Years
Year
00-99
1FFFEh
0
10 M
Month
01-12
1FFFDh
0
10 Date
Date
01-31
1FFFCh
0
FT
0
Day of Week
Day
01-07
1FFFBh
0
10 Hours
Hours (24 Hour Format)
Hours
00-23
1FFFAh
0
10 Minutes
Minutes
00-59
1FFF9h
ST
10 Seconds
Seconds
00-59
1FFF8h
W
R
S
Calibration
Control
1FFF7h
WDS
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
1FFF6h
AFE
0
ABE
Al 10M
Alarm Month
A Month
01-12
1FFF5h
RPT4
RPT5
Al 10 Date
Alarm Date
Al Date
01-31
1FFF4h
RPT3
0
Al 10 Hours
Alarm Hours
A Hours
00-23
1FFF3h
RPT2
Al 10 Minutes
Alarm Minutes
A Min
00-59
1FFF2h
RPT1
Al 10 Seconds
Alarm Seconds
A Sec
00-59
1FFF1h
1000 Year
100 Year
Century
00-99
1FFF0h
WDF
AF
0
BL
Y
Flag
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