LH28F008SC View Datasheet(PDF) - Sharp Electronics

Part Name

Description

Manufacturer

LH28F008SC

8M (1M × 8) Flash Memory

Sharp Electronics 

LH28F008SC

8M (1M × 8) Flash Memory

START

WRITE B0H

READ

STATUS REGISTER

SR.7 = 0

1

BUS

OPERATION

Write

Read

Standby

Standby

Write

COMMAND

COMMENTS

Erase

Suspend

Erase

Resume

Data = B0H

Addr = X

Status Register Data

Addr = X

Check SR.7

1 = WSM Ready

0 = WSM Busy

Check SR.6

1 = Erase Suspended

0 = Erase Completed

D = D0H

Addr = X

SR.6 = 0

1

BLOCK

ERASE COMPLETED

Read

READ or

BYTE

WRITE ?

Byte Write

Read

Array Data

Byte

NO Write Loop

DONE ?

YES

WRITE D0H

WRITE FFH

BLOCK

ERASE RESUMED

READ ARRAY DATA

Figure 7. Block Erase Suspend/Resume Flowchart

28F008SC-8

16

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