MBM29F033C-70/-90/-12
EMBEDDED ALGORITHMS
Start
Write Erase Command
Sequence
(See Below)
Data Polling or Toggle Bit
Successfully Completed
Erasure Completed
Individual Sector/Multiple Sector*
Chip Erase Command Sequence* Erase Command Sequence
(Address/Command):
(Address/Command):
×××H/AAH
×××H/AAH
×××H/55H
×××H/55H
×××H/80H
×××H/80H
×××H/AAH
×××H/AAH
×××H/55H
×××H/55H
×××H/10H
Sector Address/30H
Sector Address/30H
Sector Address/30H
Additional sector
erase commands
are optional.
Note: To insure the command has been accepted, the system software should check the status
of DQ3 prior to and following each subsequent sector erase command. If DQ3 were high on
the second status check, the command may not have been accepted.
Figure 17 Embedded EraseTM Algorithm
39