E
2-MBIT SmartVoltage BOOT BLOCK FAMILY
Bus
Operation
Start
Command
Comments
Data = B0H
Program
Erase Suspend
Suspend
Write
Addr = X
Write B0H
Data=70H
Addr=X
Write
Read
Read Status
Status Register Data Toggle
CE# or OE# to Update Status
Register Data
Write 70H
Read
Standby
Addr = X
Check SR.7
Read Status Register
Standby
Standby
1 = WSM Ready
0 = WSM Busy
Check SR.6
Standby
Write
1 = Erase Suspended
0 = Erase Completed
0
0
Read Array
Read Array
SR.7 =
1
Data = FFH
Addr = X
Write
Read
Read array data from block
other than the one being
programmed.
SR.6 =
Erase Completed
Program
Resume
Read
Write
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
0530_11
Figure 11. Erase Suspend/Resume Flowchart
25
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