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GD25LQ80CSFG Datasheet(PDF) 37 Page - GigaDevice Semiconductor (Beijing) Inc.

Part # GD25LQ80CSFG
Description  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  68 Pages
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Manufacturer  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Direct Link  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25LQ80CSFG Datasheet(HTML) 37 Page - GigaDevice Semiconductor (Beijing) Inc.

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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LQ80C
37
Figure34. Enable Reset and Reset command Sequence Diagram
7.32
Read Unique ID (4BH)
The Read Unique ID command accesses a factory-set read-only 128bit number that is unique to each device. The Unique
ID can be used in conjunction with user software methods to help prevent copying or cloning of a system.
The Read Unique ID command sequence: CS# goes low  sending Read Unique ID command Dummy Byte1Dummy
Byte2 Dummy Byte3 Dummy Byte4128bit Unique ID Out CS# goes high.
Figure35 Read Unique ID Sequence Diagram
Command
0 1 2 3 4 5 6 7
4BH
CS#
SCLK
SI
SO
High-Z
8 9 10
3 2 1 0
7 6 5
4-Byte Dummy
MSB
6 5 4 3 2 1 0
Data Out1
7
6 5
7
Data Out2
CS#
SCLK
SI
SO
MSB
42 43 44 45
41
46 47
40
36 37 38 39
Command
0
1
2
3
4
5
6
7
66H
CS#
SCLK
SI
SO
High-Z
Command
0
1
2
3
4
5
6
7
99H



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