at49bv322d ATMEL Corporation, at49bv322d Datasheet - Page 10

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at49bv322d

Manufacturer Part Number
at49bv322d
Description
32-megabit 2m X 16/4m X 8 3-volt Only Flash Memory
Manufacturer
ATMEL Corporation
Datasheet

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Figure 4-1.
Notes:
10
NO
1. VA = Valid address for programming. During a sector
2. I/O7 should be rechecked even if I/O5 = “1” because
AT49BV322D(T)
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.
I/O7 may change simultaneously with I/O5.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Operation Not
Exit Command
Data Polling Algorithm
(Configuration Register = 00)
I/O7 = Data?
Product ID
I/O7 = Data?
Addr = VA
Addr = VA
START
NO
YES
NO
YES
YES
Program/Erase
Successful,
Read Mode
Operation
Device in
Figure 4-2.
Notes:
NO
1. VA = Valid address for programming. During a sector
2. I/O7 should be rechecked even if I/O5 = “1” because
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.
I/O7 may change simultaneously with I/O5.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Operation Not
Exit Command
Data Polling Algorithm
(Configuration Register = 01)
I/O7 = Data?
Product ID
I/O7 = Data?
Addr = VA
Addr = VA
START
NO
YES
NO
YES
YES
Write Product ID
Program/Erase
Exit Command
Successful,
Operation
3582B–FLASH–11/05

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