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AT49BV320C-70TI Datasheet(PDF) 10 Page - ATMEL Corporation

Part # AT49BV320C-70TI
Description  32-megabit (2M x 16) 3-volt Only Flash Memory
Download  32 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49BV320C-70TI Datasheet(HTML) 10 Page - ATMEL Corporation

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10
AT49BV320C(T)
3372D–FLASH–5/04
Word Program Flowchart
Full Status Check Flowchart
Program
Suspend
Loop
Start
Write 40,
Word Address
Write Data,
Word Address
Read Status
Register
SR7 =
Full Status
Check
(If Desired)
Program
Complete
Suspend?
1
0
No
Yes
(Setup)
(Confirm)
Read Status
Register
Program
Successful
SR3 =
SR1 =
0
0
SR4 =
0
1
1
1
V
PP Range
Error
Device
Protect Error
Program
Error
Word Program Procedure
Full Status Check Procedure
Bus
Operation
Command
Comments
Write
Program
Setup
Data = 40
Addr = Location to program
Write
Data
Data = Data to program
Addr = Location to program
Read
None
Status register data: Toggle CE or
OE to update status register
Idle
None
Check SR7
1 = WSM Ready
0 = WSM Busy
Repeat for subsequent Word Program operations.
Full status register check can be done after each program, or after a
sequence of program operations.
Write FF after the last operation to set to the Read state.
Bus
Operation
Command
Comments
Idle
None
Check SR3:
1 = V
PP Error
Idle
None
Check SR4:
1 = Data Program Error
Idle
None
Check SR1:
1 = Sector locked; operation aborted
SR3 MUST be cleared before the Write State Machine allows further program
attempts.
If an error is detected, clear the status register before continuing operations –
only the Clear Status Register command clears the status register error bits.


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