Datasheet > 11LC041-ESN

11LC041-ESN

更新时间： 2022-12-20 19:00:06

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
44页	801K
描述
1K-16K UNI/O® Serial EEPROM Family Data Sheet

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11LC041-ESN 数据手册

11AAXXX/11LCXXX

4.0

DEVICE COMMANDS

After the device address byte, a command byte must

be sent by the master to indicate the type of operation

to be performed. The code for each instruction is listed

in Table 4-1.

TABLE 4-1:

INSTRUCTION SET

Instruction Name Instruction Code Hex Code

Description

READ

CRRD

WRITE

WREN

WRDI

RDSR

WRSR

ERAL

SETAL

0000 0011

0000 0110

0110 1100

1001 0110

1001 0001

0000 0101

0110 1110

0110 1101

0110 0111

0x03

0x06

0x6C

0x96

0x91

0x05

0x6E

0x6D

0x67

Read data from memory array beginning at specified address

Read data from current location in memory array

Write data to memory array beginning at specified address

Set the write enable latch (enable write operations)

Reset the write enable latch (disable write operations)

Read STATUS register

Write STATUS register

Write ‘0x00’ to entire array

Write ‘0xFF’ to entire array

that the slave should output the next data byte. This

continues until the master sends a NoMAK, which ends

the operation.

4.1

Read Instruction

The Read command allows the master to access any

memory location in a random manner. After the READ

instruction has been sent to the slave, the two bytes of

the Word Address are transmitted, with an Acknowl-

edge sequence being performed after each byte. Then,

the slave sends the first data byte to the master. If more

data is to be read, the master sends a MAK, indicating

To provide sequential reads in this manner, the 11XX

contains an internal Address Pointer which is incre-

mented by one after the transmission of each byte. This

Address Pointer allows the entire memory contents to

be serially read during one operation. When the highest

address is reached, the Address Pointer rolls over to

address ‘0x000’ if the master chooses to continue the

operation by providing a MAK.

FIGURE 4-1:

READ COMMAND SEQUENCE

Device Address

Standby Pulse

Start Header

SCIO

0 1 0 1 0 1 0 1

1 0 1 0 0 0 0 0⁽¹⁾

Word Address LSB

Command

Word Address MSB

7 6 5 4 3 2 1 0

15 14 13 12 11 10 9 8

SCIO

0 0 0 0 0 0 1 1

Data Byte n

Data Byte 2

Data Byte 1

7 6 5 4 3 2 1 0

SCIO

7 6 5 4 3 2 1 0

Note 1: For the 11XXXX1, this bit must be a ‘1’.

DS22067H-page 10

Preliminary

 2010 Microchip Technology Inc.

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