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GD25LE16CSIG 数据表(PDF) 32 Page - GigaDevice Semiconductor (Beijing) Inc.

部件名 GD25LE16CSIG
功能描述  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  67 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.

GD25LE16CSIG 数据表(HTML) 32 Page - GigaDevice Semiconductor (Beijing) Inc.

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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LE16C
32
by the 24-bit device identification, stored in the memory. Each bit is shifted out on the falling edge of Serial Clock. The
command sequence is shown in Figure 27. The Read Identification (RDID) command is terminated by driving CS# high at
any time during data output. When CS# is driven high, the device is in the Standby Mode. Once in the Standby Mode, the
device waits to be selected, so that it can receive, decode and execute commands.
Figure27. Read Identification ID Sequence Diagram
7.26 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  3-Byte Address
(000000H) Dummy Byte128bit Unique ID Out CS# goes high.
Figure28. Read Unique ID Sequence Diagram
0
1
2
3
4
5
6
7
CS#
SCLK
SI
SO
8
9 10
MSB
18 19 20 21
17
6
5
4
3
2
1
0
22 23
16
26 27 28 29
25
30 31
24
7
Capacity ID7-ID0
CS#
SCLK
SI
SO
MSB
Memory Type ID15-ID8
6
5
4
3
2
1
0
7
11 12 13 14 15
9FH
6
5
4
3
2
1
0
7
Manufacturer ID
MSB
Command
0
1
2
3
4
5
6
7
4BH
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



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