AT93C46B 查看數據表（PDF） - Atmel Corporation

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AT93C46B

3-Wire Serial E2PROMs

Atmel Corporation 

AT93C46B

Instruction Set for the AT93C46B

Instruction

READ

EWEN

ERASE

WRITE

ERAL

WRAL

EWDS

SB

Op Code

1

10

1

00

1

11

1

01

1

00

1

00

1

00

Address

(x16)

A5 - A0

11XXXX

A5 - A0

A5 - A0

10XXXX

01XXXX

00XXXX

Comments

Reads data stored in memory, at specified address.

Write enable must precede all programming modes.

Erase memory location An - A0.

Writes memory location An - A0.

Erases all memory locations. Valid only at VCC = 4.5V to 5.5V.

Writes all memory locations. Valid only at VCC = 4.5V to 5.5V.

Disables all programming instructions.

5

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