w49f102 Winbond Electronics Corp America, w49f102 Datasheet - Page 8

• Manufacturer Part Number: w49f102
• Description: 64k X 16 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

Command Codes for Main Memory Erase
Main Memory Erase Acquisition Flow
Notes for chip erase:
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
address 2AAA
Load data AA
address 2AAA
address 5555
Load data AA
Load data 30
address 5555
address 5555
address 5555
Load data 55
Load data 55
Pause 1 Sec.
Load data 80
ADDRESS
2AAAH
2AAAH
- 8 -
5555H
5555H
5555H
5555H
Exit
to
to
to
to
to
to
DATA
AAH
AAH
55H
80H
55H
30H
W49F102