BRIGHT
Microelectronics
Inc.
BM29F400T/BM29F400B
START
Write Erase Command Sequence
(see below)
Data Polling or Toggle Bit
Successfully Completed
Erase Completed
Individual Sector/Multiple Sector
Erase Command Sequence
(Address/Command)
Chip Erase Command Sequence
(Address/Command)
5555H/AAH
2AAAH/55H
5555H/AAH
2AAAH/55H
5555H/80H
5555H/AAH
2AAAH/55H
5555H/10H
5555H/80H
5555H/AAH
2AAAH/55H
Sector Address/30H
Additional sector
erase commands
are optional
Sector Address/30H
Sector Address/30H
Figure 2. Internal Erase Algorithm
A Winbond Company
Publication Release Date: December 1999
Revision A2
- 17 -
WINBOND [ WINBOND ]
