w49f201 Winbond Electronics Corp America, w49f201 Datasheet - Page 11

• Manufacturer Part Number: w49f201
• Description: 128k X 16 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

Command Codes for Boot Block Lockout Enable
Boot Block Lockout Enable Acquisition Flow
Notes for boot block lockout enable:
Data Format: DQ15-DQ8 Don't Care), DQ7 DQ0 (Hex)
Address Format: A14 A0 (Hex)
BYTE SEQUENCE
1 Write
2 Write
3 Write
4 Write
5 Write
6 Write
BOOT BLOCK LOCKOUT FEATURE SET
ADDRESS
2AAAH
2AAAH
5555H
5555H
5555H
5555H
Boot Block Lockout
Feature Set Flow
Pause 200 mS
Pause 200 mS
address 2AAA
address 2AAA
address 5555
Load data AA
address 5555
address 5555
address 5555
Load data AA
Load data 55
Load data 80
Load data 55
Load data 40
Exit
to
to
to
to
to
to
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DATA
AAH
AAH
55H
80H
55H
40H
Preliminary W49F201
Publication Release Date: June 1999
Revision A1