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參數(shù)資料
| 型號(hào)： | X24C01SM-2.7 |
| 英文描述： | Serial E2PROM |
| 中文描述： | 串行E2PROM |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 56K |
| 代理商： | X24C01SM-2.7 |
X24C01
5
WRITE OPERATIONS
Byte Write
To initiate a write operation, the master sends a start
condition followed by a seven bit word address and a write
bit. The X24C01 responds with an acknowledge, then
waits for eight bits of data and then responds with an
acknowledge. The master then terminates the transfer by
generating a stop condition, at which time the X24C01
begins the internal write cycle to the nonvolatile memory.
While the internal write cycle is in progress, the X24C01
inputs are disabled, and the device will not respond to any
requests from the master. Refer to Figure 4 for the
address, acknowledge and data transfer sequence.
Page Write
The most significant five bits of the word address define
the page address. The X24C01 is capable of a four byte
page write operation. It is initiated in the same manner as
the byte write operation, but instead of terminating the
transfer of data after the first data byte, the master can
transmit up to three more bytes. After the receipt of each
data byte, the X24C01 will respond with an acknowledge.
After the receipt of each data byte, the two low order
address bits are internally incremented by one. The high
order five bits of the address remain constant. If the
master should transmit more than four data bytes prior
to generating the stop condition, the address counter will
“roll over” and the previously transmitted data will be
overwritten. As with the byte write operation, all inputs
are disabled until completion of the internal write cycle.
Refer to Figure 5 for the address, acknowledge and data
transfer sequence.
Figure 4. Byte Write
BUS ACTIVITY:
SDA LINE
BUS ACTIVITY:
X24C01
S
T
A
R
T
WORD
ADDRESS (n)
S
T
O
P
P
A
C
K
DATA n
R
/
W
L
S
B
S
M
S
B
A
C
K
3837 FHD F09
Figure 5. Page Write
BUS ACTIVITY:
SDA LINE
BUS ACTIVITY:
X24C01
S
T
A
R
T
S
S
T
O
P
P
A
C
K
A
C
K
A
C
K
M
S
B
WORD
ADDRESS (n)
DATA n
DATA n+1
DATA n+3
A
C
K
R
/
W
L
S
B
3837 FHD F10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X24C01PM-2.7 | Serial E2PROM |
| X24C01PM-3 | Serial E2PROM |
| X24C01PM-3.5 | Serial E2PROM |
| X24C01SM-3 | Serial E2PROM |
| X24C01SM-3.5 | Serial E2PROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X24C01SM-3 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Serial E2PROM |
| X24C01SM-3.5 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
| X24C01SM-3.5C7000 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial EEPROM |
| X24C01SMG | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
| X24C01SMG-2.7 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Serial E2PROM |
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