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参数资料
| 型号： | M48T129Y-85PM1 |
| 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, DMA32 |
| 封装： | PLASTIC, MODULE, DIP-32 |
| 文件页数： | 6/30页 |
| 文件大小： | 483K |
| 代理商： | M48T129Y-85PM1 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T129YPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129YSH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T18 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5V, 64Kbit (8 Kb x 8) TIMEKEEPER㈢ SRAM |
| M48T18-100MH1 | 功能描述:RAM其它 8KX8 TIMEKEEP 100NS RoHS:否 制造商:Freescale Semiconductor 封装:Tray |
| M48T18-100MH1E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
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