NP8P128A13BSM60E Datasheet, PDF (74/92 Pages) Numonyx B.V – 128-Mbit Parallel Phase Change Memory

Numonyx® Omneo™ P8P Datasheet
Figure 31: Write Suspend/Resume Flowchart
Start
Read Status
Write 70h
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
Write Resume
Write D0h
Any Address
Write
Resumed
WRITE SUSPEND / RESUME PROCEDURE
Bus
Operation
Command
Comments
Write
Read Data = 70h
Status Addr = Block to suspend (BA)
Write
Write Data = B0h
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
Write
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 writte
Write
Write Data = D0h
Resume Addr = Suspended block (BA)
Read Array
Write FFh
Read Array
Data
PGM_SUS.WMF
Datasheet
74
July 2010
316144-07