W29EE011 Datasheet, PDF (7/20 Pages) Winbond – 128K X 8 CMOS FLASH MEMORY

Command Codes for Software Chip Erase
BYTE SEQUENCE
ADDRESS
0 Write
1 Write
2 Write
5555H
2AAAH
5555H
3 Write
4 Write
5 Write
5555H
2AAAH
5555H
Sofware Chip Erase Acquisition Flow
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 10
to
address 5555
Notes for software chip erase:
Data Format: DQ7−DQ0 (Hex)
Address Format: A14−A0 (Hex)
Pause 50 mS
Exit
-7-
W29EE011
DATA
AAH
55H
80H
AAH
55H
10H
Publication Release Date: July 1999
Revision A12