RC28F256 Intel Corporation, RC28F256 Datasheet - Page 90

• Manufacturer Part Number: RC28F256
• Description: Intel StrataFlash Embedded Memory
• Manufacturer: Intel Corporation

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1-Gbit P30 Family
Figure 45.
April 2005
90
Erase Suspend/Resume Flowchart
(Erase Resume)
(Read Status)
Read Array
Data
Read
Same Partition
Same Partition
Any Address
Any Address
Read Status
Write 0x70,
Write 0xB0,
Write 0xD0,
Write 0x70,
Program?
Resumed
Register
Read or
SR[7] =
SR[6] =
Intel StrataFlash
Erase
Done
Start
1
1
No
Order Number: 306666, Revision: 001
(Erase Suspend)
0
0
(Read Status)
Program
Program
ERASE SUSPEND / RESUME PROCEDURE
Loop
Erased Partition
Write 0xFF,
Read Array
Completed
Erase
®
Data
Embedded Memory (P30)
(Read Array)
Operation
Read or
Read
Write
Write
Write
Write
Write
Write
Bus
Idle
Idle
If the suspended partition was placed in
Read Array
Command
or Program
Read Array mode or a Program Loop:
Suspend
Program
Resume
Register
Status
Status
Erase
Read
None
None
None
None
Read
Data = 0x70
Addr = Any partition address
Data = 0xB0
Addr = Same partition address as
above
Status Register data.
Addr = Same partition
Check SR[7]:
1 = WSM ready
0 = WSM busy
Check SR[6]:
1 = Erase suspended
0 = Erase completed
Data = 0xFF or 0x40
Addr = Any address within the
suspended partition
Read array or program data from/to
block other than the one being erased
Data = 0xD0
Addr = Any address
Return partition to Status mode:
Data = 0x70
Addr = Same partition
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