AT93C66-10PC-1.8 Просмотр технического описания (PDF) - Atmel Corporation

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AT93C66-10PC-1.8

3-wire Serial EEPROMs

Atmel Corporation 

AT93C46/56/66

Instruction Set for the AT93C46

Instruction SB

READ

1

Op

Code

10

Address

x8

x 16

A6 - A0

A5 - A0

EWEN

1

00

11XXXXX 11XXXX

ERASE

WRITE

ERAL

1

11

A6 - A0

A5 - A0

1

01

A6 - A0

A5 - A0

1

00

10XXXXX 10XXXX

WRAL

1

00

01XXXXX 01XXXX

EWDS

1

00

00XXXXX 00XXXX

Data

x8

x 16

D7 - D0

D15 - D0

D7 - D0

D15 - D0

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

0172O–08/01

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