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參數(shù)資料
| 型號： | M41T81SM6E |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Serial Access Real-Time Clock with Alarms |
| 中文描述： | 串行訪問實時時鐘與鬧鐘 |
| 文件頁數(shù)： | 12/29頁 |
| 文件大?。?/td> | 438K |
| 代理商： | M41T81SM6E |
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M41T81S
12/29
Table 2. TIMEKEEPER
Register Map
Keys: 0 = Must be set to '0'
ABE = Alarm in Battery Back-up Mode Enable Bit
AF = Alarm Flag (Read only)
AFE = Alarm Flag Enable Flag
BL = Battery Low Bit
BMB0-BMB4 = Watchdog Multiplier Bits
CB = Century Bit
CEB = Century Enable Bit
FT = Frequency Test Bit
HT = Halt Update Bit
OF = Oscillator Fail Flag
OFIE = Oscillator Fail Interrupt Enable
OUT = Output level
RB0-RB1 = Watchdog Resolution Bits
RPT1-RPT5 = Alarm Repeat Mode Bits
RS0-RS3 = SQW Frequency
S = Sign Bit
SQWE = Square Wave Enable
ST = Stop Bit
WDF = Watchdog Flag (Read only)
Addr
Function/Range BCD
Format
D7
D6
D5
D4
D3
D2
D1
D0
00h
0.1 Seconds
0.01 Seconds
Seconds
00-99
01h
ST
10 Seconds
Seconds
Seconds
00-59
02h
0
10 Minutes
Minutes
Minutes
00-59
03h
CEB
CB
10 Hours
Hours (24 Hour Format)
Century/
Hours
0-1/00-23
04h
0
0
0
0
0
Day of Week
Day
01-7
05h
0
0
10 Date
Date: Day of Month
Date
01-31
06h
0
0
0
10M
Month
Month
01-12
07h
10 Years
Year
Year
00-99
08h
OUT
FT
S
Calibration
Calibration
09h
OFIE
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
0Ah
AFE
SQWE
ABE
Al 10M
Alarm Month
Al Month
01-12
0Bh
RPT4
RPT5
AI 10 Date
Alarm Date
Al Date
01-31
0Ch
RPT3
HT
AI 10 Hour
Alarm Hour
Al Hour
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
OF
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
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| M41T81SM6ET | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81SM6F | 功能描述:實時時鐘 2.0-5.5V 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T81SM6FT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81SMY6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81SMY6E | 功能描述:實時時鐘 Serial Access 實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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