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GD25LE40C データシート(PDF) 25 Page - GigaDevice Semiconductor (Beijing) Inc.

部品番号 GD25LE40C
部品情報  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  75 Pages
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メーカー  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
ホームページ  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25LE40C データシート(HTML) 25 Page - GigaDevice Semiconductor (Beijing) Inc.

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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LE40C/20C/10C/05C
25
Figure8. Read Data Bytes at Higher Speed Sequence Diagram
Command
0
1
2
3
4
5
6
7
0BH
CS#
SCLK
SI
SO
High-Z
8
9 10
28 29 30 31
3
2
1
0
23 22 21
24-bit address
MSB
34 35 36 37
33
6
5
4
3
2
1
0
38 39
Data Out1
32
42 43 44 45
41
46 47
40
7
6
5
4
3
2
1
0
7
6
5
7
Data Out2
CS#
SCLK
SI
SO
MSB
Dummy Byte
7.8 Dual Output Fast Read (3BH)
The Dual Output Fast Read command is followed by 3-byte address (A23-A0) and a dummy byte, and each bit is 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 in followed Figure9. 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.
Figure9. Dual Output Fast Read Sequence Diagram
Command
0
1
2
3
4
5
6
7
3BH
CS#
SCLK
SI
SO
High-Z
8
9 10
28 29 30 31
3
2
1
0
23 22 21
24-bit address
MSB
34 35 36 37
33
5
3
1
7
5
3
1
38 39
Data Out1
32
42 43 44 45
41
46 47
40
7
Data Out2
CS#
SCLK
SI
SO
MSB
Dummy Clocks
4
2
0
6
4
2
0
6
6
7



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