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AT49BV322A-70TU Datasheet(PDF) 10 Page - ATMEL Corporation

Part # AT49BV322A-70TU
Description  32-megabit (2M x 16/4M x 8) 3-volt Only Flash Memory
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49BV322A-70TU Datasheet(HTML) 10 Page - ATMEL Corporation

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10
3308J–FLASH–4/05
AT49BV322A(T)
Figure 4-1.
Data Polling Algorithm
(Configuration Register = 00)
Notes:
1. VA = Valid address for programming. During a sector
erase operation, a valid address is any sector
address within the sector being erased. During chip
erase, a valid address is any non-protected sector
address.
2. I/O7 should be rechecked even if I/O5 = “1” because
I/O7 may change simultaneously with I/O5.
START
Read I/O7 - I/O0
Addr = VA
I/O7 = Data?
I/O3, I/O5 = 1?
Read I/O7 - I/O0
Addr = VA
I/O7 = Data?
Program/Erase
Operation Not
Successful, Write
Product ID
Exit Command
NO
NO
NO
YES
YES
YES
Program/Erase
Operation
Successful,
Device in
Read Mode
Figure 4-2.
Data Polling Algorithm
(Configuration Register = 01)
Notes:
1. VA = Valid address for programming. During a sector
erase operation, a valid address is any sector
address within the sector being erased. During chip
erase, a valid address is any non-protected sector
address.
2. I/O7 should be rechecked even if I/O5 = “1” because
I/O7 may change simultaneously with I/O5.
START
Read I/O7 - I/O0
Addr = VA
I/O7 = Data?
I/O3, I/O5 = 1?
Read I/O7 - I/O0
Addr = VA
I/O7 = Data?
Program/Erase
Operation Not
Successful, Write
Product ID
Exit Command
NO
NO
NO
YES
YES
YES
Program/Erase
Operation
Successful,
Write Product ID
Exit Command


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