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參數(shù)資料
| 型號： | MM2201VB1TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 2-Wires 1 Kbit x8 Serial EEPROM |
| 中文描述： | 2 - 1千位x8線串行EEPROM |
| 文件頁數(shù)： | 7/15頁 |
| 文件大?。?/td> | 111K |
| 代理商： | MM2201VB1TR |
SCL
SDA
SCL
SDA
SDA
START
CONDITION
SDA
INPUT
SDA
CHANGE
AI00792
STOP
CONDITION
1
2
3
7
8
9
MSB
ACK
START
CONDITION
SCL
1
2
3
7
8
9
MSB
ACK
STOP
CONDITION
Figure 6. I
2
C Bus Protocol
Byte Write.
In the Byte Write mode the master
sends one data byte, which is acknowledged by the
memory. The master then terminates the transfer
by generating a STOP condition.
Page Write.
The Page Write mode allows up to 4
bytes to be written in a single write cycle, provided
that they are all located in the same ’row’ in the
memory: that is the 5 most significant memory
address bits (A6-A2) are the same. The master
sends from one up to four bytes of data, which are
each acknowledged by the memory. After each
byte is transfered, the internal byte address counter
(2 least significant bits only) is incremented. The
transfer is terminated by the master generating a
STOP condition. Care must be taken to avoid ad-
dress counter ’roll-over’ which could result in data
being overwritten.
It must be noticed that, for any write mode, the
generation by the master of the STOP condition
starts the internal memory program cycle. All inputs
are disabled until the completion of this cycle and
the memory will not respond to any request.
Minimizing System Delays by Polling On ACK.
During the internal write cycle, the memory discon-
nects itself from the bus in order to copy the data
from the internal latches to the memory cells. The
maximum value of the write time (t
W
) is given in the
AC Characteristics table, since the typical time is
shorter, the time seen by the system may be re-
7/15
M2201
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM2201VB6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2-Wires 1 Kbit x8 Serial EEPROM |
| MM2201VDW1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2-Wires 1 Kbit x8 Serial EEPROM |
| MM2201VDW6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2-Wires 1 Kbit x8 Serial EEPROM |
| MM2201VM1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2-Wires 1 Kbit x8 Serial EEPROM |
| MM2201VM6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2-Wires 1 Kbit x8 Serial EEPROM |
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