FAST BOOT BLOCK DATASHEET
E
Bus Operation
Write
Command
Comments
Start
Data = B0H
Erase Suspend
Addr = X
Write B0H
Status Register Data
Addr = X
Read
Check SR.7
Standby
1 = WSM Ready
0 = WSM Busy
Read Status Register
Check SR.6
Standby
Write
1 = Block Erase Suspended
0 = Block Erase Completed
0
SR.7 =
Data = D0H
Addr = X
Erase Resume
1
0
Block Erase
Completed
SR.6 =
1
Read
Program
Read or Byte
Write?
Read Array
Data
Program
Loop
No
Done
Yes
Write D0H
Write FFH
Block Erase Resumed
Read Array Data
Figure 9. Block Erase Suspend/Resume Flowchart
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