W49V002AQ View Datasheet(PDF) - Winbond

Part Name

Description

View to exact match

W49V002AQ

256K x 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Winbond 

Preliminary W49V002A

Command Codes for Byte Program

BYTE SEQUENCE

ADDRESS

0 Write

5555H

1 Write

2AAAH

2 Write

5555H

3 Write

Programmed-Address

Byte Program Flow Chart

DATA

AAH

55H

A0H

Programmed-Data

Byte Program

Command Flow

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data A0

to

address 5555

Load data Din

to

programmed-

address

Pause TBP

Exit

Notes for software program code:

Data Format: DQ7−DQ0 (Hex); XX = Don't Care

Address Format: A14−A0 (Hex)

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