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参数资料
| 型号： | M48T129VPM |
| 厂商： | 意法半导体 |
| 元件分类： | DRAM |
| 英文描述： | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| 中文描述： | 3.3 - 5V的1兆位的SRAM 128KB的x8计时器 |
| 文件页数： | 13/22页 |
| 文件大小： | 140K |
| 代理商： | M48T129VPM |
13/22
M48T129Y, M48T129V
Figure 11. Calibration Waveform
AI00594B
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
Table 11. TIMEKEEPER Register Map
Address
Data
Function/Range
BCD Format
D7
D6
D5
D4
D3
D2
D1
D0
1FFFFh
10 Years
Year
Year
00-99
1FFFEh
0
0
0
10 M.
Month
Month
01-12
1FFFDh
0
0
10 Date
Date
Date
01-31
1FFFCh
0
FT
0
0
0
Day of Week
Day
01-07
1FFFBh
0
0
10 Hours
Hours (24 Hours Format)
Hour
00-23
1FFFAh
0
10 Minutes
Minutes
Minutes
00-59
1FFF9h
ST
10 Seconds
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
A Date
01-31
1FFF4h
RPT3
0
Al 10 Hours
Alarm Hours
A Hours
00-23
1FFF3h
RPT2
Alarm 10 Minutes
Alarm Minutes
A Minutes
00-59
1FFF2h
RPT1
Alarm 10 Seconds
Alarm Seconds
A Seconds
00-59
1FFF1h
1000 Year
100 Year
Century
00-99
1FFF0h
WDF
AF
0
BL
Y
Y
Y
Y
Flags
Keys:
S = SIGN Bit
FT = FREQUENCY TEST Bit
R = READ Bit
W = WRITEBit
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
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| M48T129VSH | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T129VSH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129Y | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_05 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_10 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER?? SRAM |
| M48T129Y-70CS1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
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