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W29C040P-12B View Datasheet(PDF) - Winbond

Part NameDescriptionManufacturer
W29C040P-12B 512K ´8 CMOS FLASH MEMORY Winbond
Winbond Winbond
W29C040P-12B Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
W29C040
Command Codes for Boot Block Lockout Enable
BYTE SEQUENCE
0 Write
1 Write
2 Write
3 Write
4 Write
5 Write
6 Write
BOOT BLOCK LOCKOUT FEATURE SET
ON FIRST 16K ADDRESS BOOT BLOCK
ADDRESS
DATA
5555H
AAH
2AAAH
55H
5555H
80H
5555H
AAH
2AAAH
55H
5555H
40H
00000H
00H
Pause 10 mS
BOOT BLOCK LOCKOUT FEATURE SET
ON LAST 16K ADDRESS BOOT BLOCK
ADDRESS
DATA
5555H
AAH
2AAAH
55H
5555H
80H
5555H
AAH
2AAAH
55H
5555H
40H
3FFFFH
FFH
Pause 10 mS
Boot Block Lockout Enable Acquisition Flow
Boot Block Lockout
Feature Set on First 16K
Address Boot Block
Boot Block Lockout
Feature Set on Last 16K
Address Boot Block
Load data AA
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 55
to
address 2AAA
Load data 40
to
address 5555
Load data 40
to
address 5555
Load data 00
to
address 00000
Load data FF
to
address 3FFFF
Pause 10 mS
Pause 10 mS
Notes for boot block lockout enable:
1. Data Format: DQ7DQ0 (Hex)
2. Address Format: A14A0 (Hex)
3. If you have any questions about this command sequence, please contact the local distributor or Winbond Electronics Corp.
Publication Release Date: May 1999
-9-
Revision A5
Direct download click here

 

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