28F004BE Ver la hoja de datos (PDF) - Intel

Número de pieza

componentes Descripción

Fabricante

28F004BE

4-MBIT (256K X 16, 512K X 8) SmartVoltage BOOT BLOCK FLASH

Intel 

E

4-MBIT SmartVoltage BOOT BLOCK FAMILY

Start

Write B0H

Read

Status Register

0

SR.7 =

1

0

CSR.6 =

1

Write FFH

Erase Completed

Bus

Operation

Write

Command

Erase

Suspend

Read

Comments

Data = B0H

Addr = X

Status Register Data Toggle CE#

or OE# to Update SRD

Addr = X

Standby

Standby

Write

Read

Read Array

Check SR.7

1 = WSM Ready

0 = WSM Busy

Check SR.6

1 = Erase Suspended

0 = Erase Completed

Data = FFH

Addr = X

Read array data from block other

than the one being erased.

Write

Erase Resume

Data = D0H

Addr = X

Read Array Data

Done

NO

Reading

YES

Write D0H

Write FFH

Erase Resumed

Read Array Data

Figure 11. Erase Suspend/Resume Flowchart

0530_11

PRELIMINARY

25

Share Link: