28F004/400B3, 28F008/800B3, 28F016/160B3, 28F320B3, 28F640B3
Figure 13. Erase Suspend/Resume Flowchart
Bus Operation
Write
Command
Erase Suspend
Read Status
Comments
Data = B0H
Start
Write B0H
Addr = X
Data = 70H
Addr = X
Write
Status Register Data Toggle
CE# or OE# to Update Status
Register Data
Write 70H
Read
Addr = X
Check SR.7
1 = WSM Ready
0 = WSM Busy
Read Status Register
Standby
Check SR.6
1 = Erase Suspended
0 = Erase Completed
0
Standby
Write
SR.7 =
1
Data = FFH
Addr = X
Read Array
0
SR.6 =
Erase Completed
Read array data from block
other than the one being
erased.
Read
1
Data = D0H
Addr = X
Write
Erase Resume
Write FFH
Read Array Data
No
Done
Reading
Yes
Write D0H
Write FFH
Erase Resumed
Read Array Data
0580_E4
3UHOLPLQDU\
51