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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i

24Start

write 70H

LHFlGKA7

21

Read Stata

Register

Data-7ol-l

Addr=X

Block Address

Data-DOH

Adds-Within Block to be Erased

I

Read

Status Register Data

Repeat for subsequent block erasures.

Full status check can be done after each block erase or after a sequence of

block erasures.

Write FFH after tie last operation to place dwico in mad array mode.

FULLSTAlUSC~ECKPROCEDURE

Read Status Register

Data(Sae Above)

Device Protect Ertvr

Block Erase Error

Standby

Check SR.3

l-Vpp Enor Detect

Chedt SR.1

I-Device Protect Detect

WP#-VIL,Bkxk Lock-Bit is Set

Only required for systems

implemenbng lock-bit con~@uration

Check SR.4.5

Both l=Command Sequence Error

Standby

Check SR.5

l=Block Erase Error

SRs.SR.4.SR.3 and SR. 1 are only cleared by the Clear Status

Register Command in cases where multiple blocks are erased

before full statUs is checked.

If error is detected. clear the Status Register before attempting

retry or other error recovery.

Block Erase Successful

Figure 5. Automated Block Erase FlOWChart

Rev. 1.9

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