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參數(shù)資料
| 型號： | M41T83ZQA6E |
| 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： | 1 TIMER(S), REAL TIME CLOCK, QCC16 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-16 |
| 文件頁數(shù)： | 6/61頁 |
| 文件大小： | 983K |
| 代理商： | M41T83ZQA6E |
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Operation
M41T82-M41T83
Doc ID 12578 Rev 12
2.1.5
Acknowledge
Each byte of eight bits is followed by one acknowledge bit. This acknowledge bit is a low
level put on the bus by the receiver whereas the master generates an extra acknowledge
related clock pulse. A slave receiver which is addressed is obliged to generate an
acknowledge after the reception of each byte that has been clocked out of the slave
transmitter.
The device that acknowledges has to pull down the SDA line during the acknowledge clock
pulse in such a way that the SDA line is a stable low during the high period of the
acknowledge related clock pulse. Of course, setup and hold times must be taken into
account. A master receiver must signal an end of data to the slave transmitter by not
generating an acknowledge on the last byte that has been clocked out of the slave. In this
case the transmitter must leave the data line high to enable the master to generate the
STOP condition.
Figure 10.
Serial bus data transfer sequence
Figure 11.
Acknowledgement sequence
AI00587
DATA
CLOCK
DATA LINE
STABLE
DATA VALID
START
CONDITION
CHANGE OF
DATA ALLOWED
STOP
CONDITION
AI00601
DATA OUTPUT
BY RECEIVER
DATA OUTPUT
BY TRANSMITTER
SCL FROM
MASTER
START
CLOCK PULSE FOR
ACKNOWLEDGEMENT
12
8
9
MSBLSB
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| M41T83ZQA6F | 功能描述:實時時鐘 Serial I2C bus RTC 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 |
| M41T93 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial SPI bus RTC with battery switchover |
| M41T93_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial SPI bus RTC with battery switchover |
| M41T93_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial SPI bus RTC with battery switchover |
| M41T93_11 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial SPI bus real-time clock with battery switchover |
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