Numonyx® Embedded Flash Memory (J3 65 nm) Single Bit per Cell (SBC)
Figure 21: Block Erase Suspend/Resume Flowchart
Bus
Operation
Start
Command
Comments
Data = B0H
Write
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
1 = Block Erase Suspended
0 = Block Erase Completed
0
SR.7 =
Write
1
Data = D0H
Addr = X
Erase Resume
0
SR.6 =
Block Erase Completed
1
Read
Program
Read or Program?
Read Array
Data
Program
Loop
No
Done?
Yes
Write D0H
Write FFH
Block Erase Resumed
Read Array Data
Jan 2011
208032-03
Datasheet
53