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Rainbow Electronics W49F020 User Manual

Page 6

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Preliminary W49F020

- 6 -

Command Codes for Byte Program

WORD SEQUENCE

ADDRESS

DATA

0 Write

5555H AAH

1 Write

2AAAH

55H

2 Write

5555H A0H

3 Write

Programmed-Address Programmed-Data

Byte Program Flow Chart

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 50 S

Exit

µ

Notes for software program code:

Data Format: DQ7

DQ0 (Hex

Address Format: A14

A0 (Hex)