3 Volt Intel® Advanced+ Boot Block Flash Memory Stacked-CSP Family
Figure 18. Erase Suspend/Resume Flowchart
Bus
Operation
Command
Erase Suspend
Read Status
Comments
Data = B0H
Start
Write
Write
Addr = X
Write B0H
Data = 70H
Addr = X
Status Register Data Toggle
CE# or OE# to Update Status
Register Data
Write 70H
Read Status Register
SR.7 =
Read
Addr = X
Check SR.7
1 = WSM Ready
0 = WSM Busy
Standby
Check SR.6
1 = Erase Suspended
0 = Erase Completed
Standby
Write
0
0
Data = FFH
Addr = X
Read Array
1
Read array data from block
other than the one being
erased.
SR.6 =
Erase Completed
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
0645_15
Datasheet
49