24C160T-SN Ver la hoja de datos (PDF) - Microchip Technology

Número de pieza

componentes Descripción

Fabricante

24C160T-SN

8K/16K 5.0V SPI Bus Serial EEPROM

Microchip Technology 

25C080/160

TABLE 2-2: WRITE PROTECT FUNCTIONALITY MATRIX

WPEN

0

0

1

1

X

X

WP

X

X

Low

Low

High

High

WEL

0

1

0

1

0

1

Protected Blocks

Protected

Protected

Protected

Protected

Protected

Protected

Unprotected Blocks

Protected

Writable

Protected

Writable

Protected

Writable

FIGURE 2-1: WRITE TO STATUS REGISTER AND/OR ARRAY FLOWCHART

Status Register

Protected

Writable

Protected

Protected

Protected

Writable

CS Returns High

Write

No

to Status

Reg?

Yes

No

WEL = 1?

Yes

No

WP is low?

Yes

No

WPEN = 1?

Yes

Write to

Status Register

Do not write to

Status Register

Continue

Write

No

to array?

Yes

No

WEL = 1?

Yes

Write to the

Unprotected Block

To other

Commands

Do not write to

Array

From other

Commands

DS21147F-page 6

Preliminary

© 1996 Microchip Technology Inc.

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