LH28F320S5B-L90 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LH28F320S5B-L90

Flash Memory 32M (4MB × 8 / 2M × 16)

Sharp Electronics 

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LHF32K10

Start

Write B0H

Read

Status Register

SR.7=

0

1

SR.6=

0

1

Block Erase Completed

Read

Read or

Write ?

(Multi) Word/Byte Write

Read Array Data

(Multi) Word/Byte Write Loop

No

Done?

Yes

Write D0H

Write FFH

Bus

Operation

Write

Read

Standby

Standby

Write

Command

Erase

Suspend

Erase

Resume

Comments

Data=B0H

Addr=X

Status Register Data

Addr=X

Check SR.7

1=WSM Ready

0=WSM Busy

Check SR.6

1=Block Erase Suspended

0=Block Erase Completed

Data=D0H

Addr=X

Block Erase Resumed

Read Array Data

Figure 10. Block Erase Suspend/Resume Flowchart

27

Rev. 1.55

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