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GD25S512MDFJS 数据表(PDF) 35 Page - GigaDevice Semiconductor (Beijing) Inc.

部件名 GD25S512MDFJS
功能描述  3.3V Uniform Sector Dual and Quad Serial Flash
PDF  87 Pages
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制造商  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
网页  http://www.gigadevice.com/
标志 GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25S512MDFJS 数据表(HTML) 35 Page - GigaDevice Semiconductor (Beijing) Inc.

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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25S512MD
35
7.14. Dual I/O Fast Read (DIOFR BBH or 4DIOFR BCH)
The Dual I/O Fast Read command is similar to the Dual Output Fast Read command but with the capability to input
the 3-Byte address (A23-
0) and a “Read Mode” Byte 2-bit per clock by SI and SO, and each bit being latched in on the
rising edge of SCLK, then the memory contents are shifted out 2-bit per clock cycle from SI and SO. The command sequence
is shown below. The first Byte addressed can be at any location. The address is automatically incremented to the next
higher address after each Byte of data is shifted out.
Figure 25 Dual I/O Fast Read Sequence Diagram (ADS=0)
Figure 26 Dual I/O Fast Read Sequence Diagram (ADS=1)
Command
0
1
2
3
4
5
6
7
BBH
CS#
SCLK
SI(IO0)
SO(IO1)
8
9 10 11 12 13 14 15
6
4
2
0
6
4
2
0
16 17 18 19 20 21 22 23
6
4
2
0
6
4
7
5
3
1
7
5
3
1
7
5
3
1
7
5
A23-16
A15-8
A7-0
M7-4
CS#
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
SI(IO0)
SO(IO1)
6
4
2
0
6
4
2
0
6
4
2
0
6
4
2
0
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
SCLK
6
7
Byte1
Byte2
Byte3
Byte4
2
0
3
1
M3-0
Command
0
1
2
3
4
5
6
7
BBH
CS#
SCLK
SI(IO0)
SO(IO1)
8
9 10 11 12 13 14 15
6
4
2
0
6
4
2
0
16 17 18 19 20 21 22 23
6
4
2
0
7
5
3
1
7
5
3
1
7
5
3
1
A31-24
A15-8
A7-0
CS#
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
SI(IO0)
SO(IO1)
6
4
2
0
6
4
2
0
6
4
2
0
6
4
2
0
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
SCLK
6
7
Byte1
Byte2
Byte3
Byte4
6
4
7
5
M7-4
24 25 26 27
6
4
2
0
7
5
3
1
A23-16
2
0
3
1
M3-0



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