w29ee011 Winbond Electronics Corp America, w29ee011 Datasheet - Page 6

• Manufacturer Part Number: w29ee011
• Description: 128k X 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

Command Codes for Software Data Protection
Sofware Data Protection Acquisition Flow
Notes for software program code:
Data Format: DQ7 DQ0 (Hex)
Address Format: A14 A0 (Hex)
BYTE SEQUENCE
0 Write
1 Write
2 Write
3 Write
4 Write
5 Write
load operation)
(Optional page
TO ENABLE PROTECTION
ADDRESS
2AAAH
Software Data Protection
Enable Flow
5555H
5555H
Sequentially load
up to 128 bytes
address 2AAA
address 5555
Load data AA
Pause 10 mS
address 5555
of page data
Load data 55
Load data A0
-
-
-
Exit
to
to
to
- 6 -
DATA
AAH
A0H
55H
-
-
-
Software Data Protection
Disable Flow
address 5555
address 2AAA
address 5555
address 2AAA
Load data AA
address 5555
Load data 20
address 5555
Pause 10 mS
Load data AA
Load data 55
Load data 80
Load data 55
Exit
to
TO DISABLE PROTECTION
to
to
to
to
to
ADDRESS
2AAAH
2AAAH
5555H
5555H
5555H
5555H
W29EE011
DATA
AAH
AAH
55H
80H
55H
20H