LH28F008SCL-12 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

Manufacturer

LH28F008SCL-12

Flash Memory 8M (1M ×8)

Sharp Electronics 

SHARI=

*

Read Status

LHFOSCH3

Bus

Command

Commenk

Operation

I

I

II

I

I

Data=MH

write

Erase Setup

Addr=Wlthm Block lo be Erased

I

Ems.3

DateDOH

write

COtlfilll7

Addr=Within Block to be Erased

Read

1.,,

Status Register Data

I

Check SR.7

ISWSM Ready

o=WSM Busy

Repeat for subsequent block erasures.

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

block erasures.

Write FFH after the last operation to place device I” read array mode.

FULLSTATUSCHECKPROCEDURE

Command

Comments

I

I

Standby

Check SR.3

l=Vpp Error Detect

Standby

Check SR. 1

t&evice Protect Detect

RP#=V,,,Blwk Lock-Bit IS Set

Only required for systems

implemenbng lock-bit configuration

Standby

I

Standby

I

Check SR.4.5

Both t=Command Sequence Error

I

Check SR.5

l=Block Erase Error

I

SR.S.SR.4.SR.3 and SR.l 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 attempbng

reby or other error recovery.

Figure 5. AuIomaTea

UIOCK trase rlowcnan

Rev. 1.0

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