NP8P128A13BSM60E Datasheet, PDF (77/92 Pages) Numonyx B.V – 128-Mbit Parallel Phase Change Memory

Numonyx® Omneo™ P8P Datasheet
Figure 34: Erase Suspend/Resume Flowchart
Start
Read Status
Write 70h
Any Address
Erase Suspend
Write B0h
Any Address
Read Status
Register
SR.7 =
0
1
SR.6 =
0
1
ERASE SUSPEND / RESUME PROCEDURE
Bus
Operation
Command
Comments
Write
Read Data = 70h
Status Addr = Any device address
Write
Erase
Suspend
Data = B0h
Addr = Same partition address as
above
Read
Status register data. Toggle CE# or
OE# to update Status register
Addr =X
Standby
Check SR.7
1 = WSM ready
0 = WSM busy
Erase
Completed
Standby
Check SR.6
1 = Erase suspended
0 = Erase completed
Write
Read Array Data = FFh or 40h
or Program Addr = Block to program or read
Read
Read Array
Data
Read or
Program?
No
Program
Program
Loop
Read or
Write
Read array or program data from/to
block other than the one being erased
Write
Program Data = D0h
Resume Addr = Any address
Done?
Yes
Erase Resume
Write D0h
Any Address
Read Array
Write FFh
Any Addres
Erase
Resumed
Read Status
Write 70h
Any Address
Read Array
Data
ERAS_SUS.WMF
July 2010
316144-07
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