X24C01SM-3.5

更新时间： 2024-02-16 23:05:36

品牌	Logo	应用领域
XICOR		可编程只读存储器
页数	文件大小	规格书
14页	58K
描述
Serial E2PROM

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中文翻译

获取价格

数据手册

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X24C01SM-3.5 数据手册

X24C01

WRITE OPERATIONS

Byte Write

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.

To initiate a write operation, the master sends a start

conditionfollowedbyasevenbitwordaddressandawrite

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.

After the receipt of each data byte, the two low order

addressbitsareinternallyincrementedbyone. Thehigh

order five bits of the address remain constant. If the

master should transmit more than four data bytes prior

togeneratingthestopcondition,theaddresscounterwill

“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.

RefertoFigure5fortheaddress, acknowledgeanddata

transfer sequence.

Page Write

The most significant five bits of the word address define

Figure 4. Byte Write

WORD

ADDRESS (n)

BUS ACTIVITY:

SDA LINE

DATA n

L R A

BUS ACTIVITY:

X24C01

3837 FHD F09

Figure 5. Page Write

WORD

ADDRESS (n)

BUS ACTIVITY:

SDA LINE

DATA n

DATA n+1

DATA n+3

L R A

BUS ACTIVITY:

X24C01

3837 FHD F10

1 2 3 456 7 8...14

中文翻译

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