參數(shù)資料
型號(hào)： M41T00M6F
廠商： STMICROELECTRONICS
元件分類(lèi)： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： REAL TIME CLOCK, PDSO8
封裝： 0.150 INCH, LEAD FREE, PLASTIC, SOIC-8
文件頁(yè)數(shù)： 23/25頁(yè)
文件大?。?/td> 202K
代理商： M41T00M6F
M41T00
Device operation
2
Device operation
The M41T00 clock operates as a slave device on the serial bus. Access is obtained by
implementing a start condition followed by the correct slave address (D0h). The 8 bytes
contained in the device can then be accessed sequentially in the following order:
1st byte: seconds register
2nd byte: minutes register
3rd byte: century/hours register
4th byte: day register
5th byte: date register
6th byte: month register
7th byte: years register
8th byte: control register
The M41T00 clock continually monitors VCC for an out of tolerance condition. Should VCC
fall below VSO, the device terminates an access in progress and resets the device address
counter. Inputs to the device will not be recognized at this time to prevent erroneous data
from being written to the device from an out of tolerance system. When VCC falls below VSO,
the device automatically switches over to the battery and powers down into an ultra low
current mode of operation to conserve battery life. Upon power-up, the device switches from
battery to VCC at VSO and recognizes inputs.
2.1
Wire bus characteristics
This bus is intended for communication between different ICs. It consists of two lines: one
bi-directional for data signals (SDA) and one for clock signals (SCL). Both the SDA and the
SCL lines must be connected to a positive supply voltage via a pull-up resistor.
The following protocol has been defined:
●
Data transfer may be initiated only when the bus is not busy.
●
During data transfer, the data line must remain stable whenever the clock line is High.
Changes in the data line while the clock line is High will be interpreted as control
signals.
Accordingly, the following bus conditions have been defined:
2.2
Bus not busy
Both data and clock lines remain high.
2.3
Start data transfer
A change in the state of the data line, from high to low, while the clock is high, defines the
START condition.
相關(guān)PDF資料
PDF描述
M41T00M6E REAL TIME CLOCK, PDSO8
M41T00M6 0 TIMER(S), REAL TIME CLOCK, PDSO8
M41T0DS6 REAL TIME CLOCK, PDSO8
M41T0DS6T REAL TIME CLOCK, PDSO8
M41T0M6T 0 TIMER(S), REAL TIME CLOCK, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
M41T00S 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Serial access real-time clock
M41T00S_08 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Serial access real-time clock
M41T00SC64 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Real-Time Clock + 64Kbit (8192 x 8) EEPROM
M41T00SC64MY6E 功能描述:電可擦除可編程只讀存儲(chǔ)器 SERIAL REAL TIME CLOCK 64Kb 電可擦除可編程只讀存儲(chǔ)器 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
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