AT49BV320C ATMEL Corporation, AT49BV320C Datasheet - Page 12

• Manufacturer Part Number: AT49BV320C
• Description: 32-megabit (2M x 16) 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Erase Suspend/Resume Flowchart
12
(Erase Resume)
(Read Array)
AT49BV320C(T)
Any Address
Any Address
Any Address
Read Status
Resumed
Write B0,
Write 70,
Write FF
Write D0,
Register
Reading
SR7 =
SR6 =
Erase
Start
Read
Data
Done
1
1
1
(Erase Suspend)
(Read Status)
0
0
0
Read Array
Completed
Write FF
Erase
Data
(Read Array)
Erase Suspend/Resume Procedure
Operation
Read or
Write
Write
Read
Write
Write
Write
Bus
Idle
Idle
Command
Suspend
Program
Program
Resume
Read or
Status
Erase
Read
None
None
None
None
Comments
Data = 70
Addr = Any address
Data = B0
Addr = Any address
Status register data: Toggle CE or
OE to update status register
Addr = Any address
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
3372D–FLASH–5/04