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參數(shù)資料
| 型號： | M41T00CAPPC1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | REAL TIME CLOCK, PDIP24 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 5/27頁 |
| 文件大?。?/td> | 224K |
| 代理商： | M41T00CAPPC1 |
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M41T00CAP
Operation
3.8
WRITE mode
In this mode the master transmitter transmits to the M41T00CAP slave receiver. Bus
protocol is shown in Figure 9. Following the START condition and slave address, a logic '0'
(R/W=0) is placed on the bus and indicates to the addressed device that word address “An”
will follow and is to be written to the on-chip address pointer. The data word to be written to
the memory is strobed in next and the internal address pointer is incremented to the next
address location on the reception of an acknowledge clock. The device slave receiver will
send an acknowledge clock to the master transmitter after it has received the slave address
and again after it has received the word address and after each data byte.
Figure 9.
WRITE mode sequence
3.9
Data retention mode
With valid VCC applied, the M41T00CAP can be accessed as described above with READ
or WRITE cycles. Should the supply voltage decay, the power input will be switched from the
VCC pin to the battery when VCC falls below the battery backup switchover voltage (VSO). At
this time the clock registers will be maintained by the internal battery supply. On power-up,
when VCC returns to a nominal value, write protection continues for tREC after VCC rises
above VSO .
AI00591
BUS ACTIVITY:
ACK
S
ACK
STOP
START
P
SDA LINE
BUS ACTIVITY:
MASTER
R/W
DATA n
DATA n+1
DATA n+X
WORD
ADDRESS (An)
SLAVE
ADDRESS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41T00M | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access TIMEKEEPER |
| M41T00M6 | 功能描述:實時時鐘 Serial 64 (8X8) 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 |
| M41T00M6E | 功能描述:實時時鐘 Serial 64 (8X8) 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 |
| M41T00M6F | 功能描述:實時時鐘 Serial 64 (8X8) 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 |
| M41T00M6F-CUT TAPE | 制造商:ST 功能描述:M41T00 Series 2 - 5.5 V 32 kHz Serial I2C Real Time Clock - SOIC-8 |
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