at49sn6416 ATMEL Corporation, at49sn6416 Datasheet - Page 16

• Manufacturer Part Number: at49sn6416
• Description: 64-megabit 4m X 16 Burst/page Mode 1.8-volt Flash Memory
• Manufacturer: ATMEL Corporation

3.28
16
(Erase Resume)
Erase Suspend/Resume Flowchart
Read
AT49SN6416(T)
the Same Plane
Any Address
Any Address
Any Address
Any Address
Read Status
or Program?
Resumed
Write B0,
Write 70,
Write D0,
Write 70H
Register
SR7 =
SR6 =
Done?
Erase
within
Read
Start
1
1
No
Yes
(Erase Suspend)
(Read Status)
0
0
(Read Status)
Program
Loop
Read Array
Completed
Write FF
Erase
Data
(Read Array)
3.29
If the Suspended Plane was placed in Read mode or a
Program loop:
Operation
Read or
Write
Write
Read
Write
Write
Write
Write
Bus
Idle
Idle
Erase Suspend/Resume Procedure
Command
Suspend
Program
Program
Resume
Read or
Status
Status
Erase
Read
None
None
None
None
Read
Comments
Data = B0
Addr = Any address within the
Same Plane
Data = 70
Addr = Any address
Status register data: Toggle CE
or
OE to update status register
Addr = Any address within the
Same Plane
Check SR7
1 = WSM Ready
0 = WSM Busy
Check SR6
1 = Erase suspended
0 = Erase completed
Data = FF or 40
Addr = Any address
Read or program data from/to
sector other than the one being
erased
Data = D0
Addr = Any address
Return Plane to Status mode:
Data = 70
Addr = Any address within the
Same Plane
3464C–FLASH–2/05