LHF16KA7 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LHF16KA7

Flash Memory 16M (2MB × 8/1MB × 16)

Sharp Electronics 

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SHARI=

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_-

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c start 1

r

f

I

Full Status

Check if Desired

LHFlGKA7

22

Bus

OpWlO”

wlite

Command

Read Status

Register

Data7OH

Add-X

Comments

Read

Status Register Data

Standby

write

write

Full Chip Erase

SbJP

Full Chip Ease

Confin

Chedt SR.7

l.WSM Ready

OIWSM Busy

Data=3OH

Addr-X

Data-DOH

Ad&X

Read

Status Regtster Data

standby

Check SR.7

l=WSM Ready

OIWSM Busy

Full stams check can be done after each full chip erase.

Write FFH after tie last operation to place device in read army mode.

FIJU STATUS CHECK PROCEDURE

Command Sequence

Error

Bus

OpedfO”

Standby

Command

Commenb

Check SR.3

l=Vpp Enor Detect

Standby

Standby-

Check SR.4,5

Both l=Ccmmand Sequence Error

Check SR.5

l=Full Chip Erase Error

SRS,SR.4,SR.3 and SR.l am only dewed by the Clear Status

Register Command in cases whew multiple blocks are erased

before full status is chedmd.

If error is detected, clear the Status Register before attempting

retry or other error recovery.

Figure 6. Automated Full Chip Erase Flowchart

L-

Rev. 1.9

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