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參數(shù)資料
| 型號： | M48T513V-70CS1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO32 |
| 封裝： | 10 X 20 MM, PLASTIC, TSOP2-32 |
| 文件頁數(shù)： | 4/30頁 |
| 文件大?。?/td> | 161K |
| 代理商： | M48T513V-70CS1 |
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M48T513Y, M48T513V
12/30
TIMEKEEPER
Registers
The M48T513Y/V offers 16 internal registers
which contain TIMEKEEPER
, Alarm, Watchdog,
Interrupt, Flag, and Control data (see Table 5,
page 12). These registers are memory locations
which contain external (user accessible) and inter-
nal copies of the data (usually referred to as Bi-
PORT
TIMEKEEPER cells). The external
copies are independent of internal functions ex-
cept that they are updated periodically by the si-
multaneous transfer of the incremented internal
copy. TIMEKEEPER and Alarm Registers store
data in BCD.
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 zero
Y = ’1’ or ’0‘
BL = Battery Low
AF = Alarm Flag
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
Address
Data
Fun ction/Rang e
BCD Format
D7
D6
D5
D4
D3
D2
D1
D0
7FFFFh
10 Years
Year
00-99
7FFFEh
0
10 M
Month
01-12
7FFFDh
0
10 Date
Date
01-31
7FFFCh
0
FT
0
Day of Week
Day
01-07
7FFFBh
0
10 Hours
Hours (24 Hour Format)
Hour
00-23
7FFFAh
0
10 Minutes
Minutes
00-59
7FFF9h
ST
10 Seconds
Seconds
00-59
7FFF8h
W
R
S
Calibration
Control
7FFF7h
WDS
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
7FFF6h
AFE
0
ABE
Al 10M
Alarm Month
A Month
01-12
7FFF5h
RPT4
RPT5
Al 10 Date
Alarm Date
Al Date
01-31
7FFF4h
RPT3
0
Al 10 Hours
Alarm Hours
A Hours
00-23
7FFF3h
RPT2
Al 10 Minutes
Alarm Minutes
A Min
00-59
7FFF2h
RPT1
Al 10 Seconds
Alarm Seconds
A Sec
00-59
7FFF1h
1000 Year
100 Year
Century
00-99
7FFF0h
WDF
AF
0
BL
Y
Flag
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M48T513V-70PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513V-85CS1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513V-85PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513VPM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513VSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
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