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11
3591A–FLASH–12/05
AT49BV160D(T)
9.
Program Suspend/Resume
Flowchart
Read Status
Register
SR7 =
SR2 =
Read
Data
Program
Completed
Done
Reading
Program
Resumed
Read
Data
0
No
0
Ye s
1
1
Write FF
(Read Array)
Write D0
Any Address
(Program Resume)
Write FF
(Read
Array)
Start
Write B0
Any Address
(Program Suspend)
Write 70
Any Address
(Read Status)
10. Program Suspend/Resume
Procedure
Bus
Operation
Command
Comments
Write
Program
Suspend
Data = B0
Addr = Any Address
Write
Read
Status
Data = 70
Addr = Any address
Read
None
Status register data: Toggle CE
or
OE to update status register
Addr = Any address
Idle
None
Check SR7
1 = WSM Ready
0 = WSM Busy
Idle
None
Check SR2
1 = Program suspended
0 = Program completed
Write
Read Array
Data = FF
Addr = Any address
Read
None
Read data from any word in the
memory
Write
Program
Resume
Data = D0
Addr = Any address