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AT49BV802AT Datasheet(PDF) 9 Page - ATMEL Corporation

Part # AT49BV802AT
Description  8-megabit (512K x 16/ 1M x 8) 3-volt Only Flash Memory
PDF  29 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49BV802AT Datasheet(HTML) 9 Page - ATMEL Corporation

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AT49BV802A(T)
3405C–FLASH–9/04
Figure 3. Toggle Bit Algorithm
(Configuration Register = 00)
Note:
1. The system should recheck the toggle bit even if
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
START
Read I/O7 - I/O0
Read I/O7 - I/O0
Toggle Bit =
Toggle?
I/O5 = 1?
Read I/O7 - I/O0
Twice
Toggle Bit =
Toggle?
Program/Erase
Operation Not
Successful, Write
Product ID
Exit Command
Program/Erase
Operation
Successful,
Device in
Read Mode
NO
NO
NO
YES
YES
YES
Figure 4. Toggle Bit Algorithm
(Configuration Register = 01)
Note:
1. The system should recheck the toggle bit even if
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
START
Read I/O7 - I/O0
Read I/O7 - I/O0
Toggle Bit =
Toggle?
I/O5 = 1?
Read I/O7 - I/O0
Twice
Toggle Bit =
Toggle?
Program/Erase
Operation Not
Successful, Write
Product ID
Exit Command
Program/Erase
Operation
Successful,
Write Product ID
Exit Command
NO
NO
NO
YES
YES
YES



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