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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 9/15頁(yè) |
| 文件大小： | 111K |
| 代理商： | MM2201VB1TR |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)當(dāng)前第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)
ACK
NO ACK
S
S
BYTE WRITE
R/W = 0
BYTE ADDR
DATA IN
WC
S
PAGE WRITE
BYTE ADDR
DATA IN 1
WC
AI01324
DATA IN 4
S
R/W = 0
ACK
NO ACK
NO ACK
NO ACK
Figure 8. Write Modes Sequences with Write Control = 1 (M2201 and M2201V)
Read Operation
Byte Read.
The master sends a START condition
followed by seven bits of address and the RW bit
(set to ’1’). The M2201 acknowledges it and outputs
the corresponding data byte. The read operation
is terminated by a STOP condition issued by the
master (instead of the ACK bit).
Sequential Read.
The master sends a START
condition followed by seven bits of address and the
RW bit (set to ’1’). The M2201 acknowledges it and
outputs the corresponding data byte. The master
does acknowledge this byte and reads the next
data byte (at address + 1). The read operation is
terminated by a STOP condition issued by the
master (instead of the ACK bit). The output data is
from consecutive byte addresses, with the internal
byte address counter automatically incremented
after each byte output. After a count of the last
memory address, the address counter will ’roll-
over to address ’00’ and the memory will continue
to output data.
Acknowledge in Read Mode.
In all read modes
the M2201 waits for an acknowledge during the 9th
bit time. If the master does not pull the SDA line low
during this time, the M2201 terminates the data
transfer and switches to a standby state.
9/15
M2201
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| MM2201VB6TR | 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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| MM2201VM1TR | 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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