LRS13023 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LRS13023

Stacked Chip 8M Flash and 1M SRAM

Sharp Electronics 

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SHARI=

Write 4OH or 10H

Add-

Wrih Byte

Data and Addrerr

LRS13023

Bus

Opation

Command

Comment3

Data=Data to Be written

Write

Byte write

Addr=LocaMon to Be Writbn

I Rnd

I

status Register Data

I

Repeat for subsequent byte writes..

SR full stahn check can be done after each byte write. or after a sequence of

byte write.

Write FFH after the last byte write operation to place device in

read array mate.

FULLZTATIJS CHECK PROCEDURE

DataGee Above)

Device Protect Error

BUS

Opdi0n

Command

Comments

1 Standby

1

Standby

Check SR3

l=Vpp Error Detect

Check SRl

1=cevice Protect Detect

!@=V~~,Block Lock-Bit is Set

Only required for systems

implementing lock-bit configuration

Standby

Check SR4

l--Data Wrtte Ermr

SR45Rs3 and SRI are Only cleared by the Clear Stahm Register

command in cases when multiple locations are written before

If enur is detected, clear the Status Register before attempting

Figure 5. Automated Byte Write Flowchart

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