RC28F640P33B85 Numonyx, RC28F640P33B85 Datasheet - Page 74

• Manufacturer Part Number: RC28F640P33B85
• Description: Numonyx? Strataflash Embedded Memory
• Manufacturer: Numonyx

Figure 38: Erase Suspend/Resume Flowchart
Datasheet
74
Read Array
Data
Read
Any Address
Any Address
Erase Resume
Any Address
Any Address
Erase Suspend
Read Status
Read
Read
Write B0h
Program ?
Write D0h
Write 70h
Resumed
Write 70h
Register
Read or
SR.7 =
SR.6 =
Done?
Erase
Start
1
1
No
Yes
Status
Status
Program
0
0
Program
Loop
ERASE SUSPEND / RESUME PROCEDURE
Read
Any Addres
Read Array
Completed
Write FFh
Erase
Data
Array
Operation
Standby
Standby
Read or
Read
Write
Write
Write
Write
Write
Bus
Numonyx™ StrataFlash
Read Array
or Program
Command
Suspend
Program
Resume
Status
Erase
Read
Data = 70 h
Addr = Any device address
Data = B0h
Addr = Same partition address as
above
Status register data. Toggle CE# or
OE# to update Status register
Addr =X
Check SR.7
1 = WSM ready
0 = WSM busy
Check SR.6
1 = Erase suspended
0 = Erase completed
Data = FFh or 40 h
Addr = Block to program or read
Read array or program data from/to
block other than the one being erased
Data = D0h
Addr = Any address
Comments
®
Embedded Memory (P33)
Order Number: 314749-05
ERAS_SUS.WMF
November 2007