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GD25B127DWES Datasheet(Arkusz danych) 25 Page - GigaDevice Semiconductor (Beijing) Inc.

Numer części GD25B127DWES
Szczegółowy opis  3.3V Uniform Sector Dual and Quad Serial Flash
Pobierz  65 Pages
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Producent  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Strona internetowa  http://www.gigadevice.com/
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 25 page
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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B127D
25
7.13.
Set Burst with Wrap (77H)
The Set Burst with Wrap command is used in conjunction with “Quad I/O Fast Read” and “Quad I/O Word Fast Read”
command to access a fixed length of 8/16/32/64-byte section within a 256-byte page.
The Set Burst with Wrap command sequence: CS# goes low Send Set Burst with Wrap command Send 24
dummy bits 
Send 8 bits “Wrap bits”  CS# goes high.
W6,W5
W4=0
W4=1 (default)
Wrap Around
Wrap Length
Wrap Around
Wrap Length
0, 0
Yes
8-byte
No
N/A
0, 1
Yes
16-byte
No
N/A
1, 0
Yes
32-byte
No
N/A
1, 1
Yes
64-byte
No
N/A
If the W6-W4 bits are set by the
Set Burst with Wrap command, all the following “Quad I/O Fast Read” and “Quad I/O
Word Fast Read” command will use the W6-W4 setting to access the 8/16/32/64-byte section within any page. To exit the
“Wrap Around” function and return to normal read operation, another Set Burst with Wrap command should be issued to set
W4=1.
Figure15. Set Burst with Wrap Sequence Diagram
Command
0
1
2
3
4
5
6
7
77H
CS#
SCLK
SI(IO0)
SO(IO1)
8
9 10 11 12 13 14 15
x
x
x
x
x
x
4
x
x
x
x
x
x
x
5
x
W6-W4
x
x
x
x
x
x
6
x
x
x
x
x
x
x
x
x
IO2
IO3




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