306666-11 Datasheet, PDF (80/99 Pages) Numonyx B.V – Numonyx StrataFlash Embedded Memory

Figure 39: Program Suspend/Resume Flowchart
Start
Read Status
Write 70 h
Program Suspend
Write B0h
Any Address
Read Status
Register
SR.7 =
0
1
SR.2 =
0
1
Read Array
Write FFh
Read Array
Data
Done
No
Reading
Yes
Program Resume
Write D0 h
Any Address
Program
Resumed
PROGRAM SUSPEND / RESUME PROCEDURE
Bus _Command
Operation
Comments
Write
Read Data = 70h
Status Addr = Block to suspend (BA )
Program Data = B0h
Write
Suspend Addr = X
Read
Status register data
Initiate a read cycle to update Status
register
Addr = Suspended block (BA)
Standby
Check SR.7
1 = WSM ready
0 = WSM busy
Program
Completed
Standby
Check SR.2
1 = Program suspended
0 = Program completed
Write
Read Data = FFh
Array Addr = Block address to read (BA)
Read
Read array data from block other than
the one being programmed
Program Data = D0 h
Write
Resume Addr = Suspended block (BA)
Read Array
Write FFh
Read Array
Data
PGM_SUS.WMF
P30
Datasheet
80
November 2007
Order Number: 306666-11