at49bv6416c ATMEL Corporation, at49bv6416c Datasheet - Page 13

• Manufacturer Part Number: at49bv6416c
• Description: 64-megabit 4m X 16 Page Mode 2.7-volt Flash Memory
• Manufacturer: ATMEL Corporation

3.26
3465D–FLASH–04/06
(Erase Resume)
Erase Suspend/Resume Flowchart
Read
the Same Plane
Any Address
Any Address
Any Address
Read Status
Any Address
or Program?
Resumed
Write B0,
Write 70,
Write D0,
Write 70H
Register
SR7 =
SR6 =
Done?
Erase
within
Start
Read
1
1
No
Yes
(Erase Suspend)
(Read Status)
0
0
(Read Status)
Program
Loop
Read Array
Completed
Write FF
Erase
Data
(Read Array)
3.27
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
AT49BV6416C(T)
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
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