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GD25S512MDFJS 数据表(PDF) 48 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) 48 Page - GigaDevice Semiconductor (Beijing) Inc.

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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25S512MD
48
7.24.
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 in 3 Byte mode (ADS=0): CS# goes low  sending Read Unique ID
command Dummy Byte1 Dummy Byte2 Dummy Byte3 Dummy Byte4128bit Unique ID Out CS# goes high.
The Read Unique ID command sequence in 4 Byte mode (ADS=0): CS# goes low  sending Read Unique ID
command Dummy Byte1 Dummy Byte2 Dummy Byte3 Dummy Byte4 Dummy Byte5128bit Unique ID Out
CS# goes high.
Figure 49 Read Unique ID Sequence Diagram (ADS=0)
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
Figure 50 Read Unique ID Sequence Diagram (ADS=1)
Command
0 1 2 3 4 5 6 7
4BH
CS#
SCLK
SI
SO
High-Z
8 9 10
44 45 46 47
3 2 1 0
7 6 5
5-Byte Dummy
MSB
6 5 4 3 2 1 0
Data Out1
50 51 52 53
49
54 55
48
7
6 5
7
Data Out2
CS#
SCLK
SI
SO
MSB



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