W29C020P-12A Winbond, W29C020P-12A Datasheet - Page 7
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W29C020P-12A
Manufacturer Part Number
W29C020P-12A
Description
256K X 8 CMOS FLASH MEMORY
Manufacturer
Winbond
Datasheet
1.W29C020P-12A.pdf
(21 pages)
- Current page: 7 of 21
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Command Codes for Software Chip Erase
Software Chip Erase Acquisition Flow
Notes for software chip erase:
Data Format: DQ7 DQ0 (Hex)
Address Format: A14 A0 (Hex)
BYTE SEQUENCE
0 Write
1 Write
2 Write
3 Write
4 Write
5 Write
address 2AAA
address 2AAA
address 5555
address 5555
address 5555
Load data AA
address 5555
Pause 50 mS
Load data 10
Load data AA
Load data 55
Load data 80
Load data 55
ADDRESS
2AAAH
2AAAH
5555H
5555H
5555H
5555H
Exit
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Publication Release Date: February 1998
DATA
AAH
AAH
55H
80H
55H
10H
W29C020
Revision A3
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