28F004B5 데이터 시트보기 (PDF) - Intel

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28F004B5

SMART 5 BOOT BLOCK FLASH MEMORY FAMILY 2, 4, 8 MBIT

Intel 

E

SMART 5 BOOT BLOCK MEMORY FAMILY

Start

Write B0H

Write 70H

Read Status

Register

0

SR.7 =

1

0

SR.6 =

1

Write FFH

Erase Resumed

Read Array Data

Done Reading No

Yes

Write D0H

Write FFH

Bus

Operation

Write

Write

Read

Standby

Standby

Write

Read

Write

Command

Comments

Erase Suspend

Data = B0H

Addr = X

Read Status

Data = 70H

Addr = X

Status Register Data

Toggle OE# or CE# to Update

Status Register

Addr = X

Check SR.7

1 = WSM Ready

0 = WSM Busy

Check SR.6

1 = Erase Suspended

0 = Erase Completed

Read Array

Data = FFH

Addr = X

Read array data from block

other than the one being

programmed

Erase Resume

Data = D0H

Addr = X

Erase Resumed

Read Array Data

0599-09

Figure 10. Erase Suspend/Resume Flowchart

ADVANCE INFORMATION

23

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