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GD25LQ64CSJS Datasheet(PDF) 40 Page - GigaDevice Semiconductor (Beijing) Inc.

No. de pieza GD25LQ64CSJS
Descripción Electrónicos  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  77 Pages
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Fabricante Electrónico  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Página de inicio  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25LQ64CSJS Datasheet(HTML) 40 Page - GigaDevice Semiconductor (Beijing) Inc.

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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LQ64C
40
Figure24a. Read Manufacture ID/ Device ID Sequence Diagram (QPI)
CS#
SCLK
IO0
IO1
IO2
IO3
0
1
2
3
4
5
Command
90H
6
7
8
0
1
3
4
5
7
2
6
IOs switch from
Input to Output
Device
ID
MID
0
4
1
5
2
6
3
7
3
7
2
6
1
5
0
4
9
10
A23-16
A15-8
A7-0
8
9
19
12
13
23
10
14
11
15
18
22
17
21
16
20
(00H)
7.23 Read Manufacture ID/ Device ID Dual I/O (92H)
The Read Manufacturer/Device ID Dual I/O command is an alternative to the Release from Power-Down / Device ID
command that provides both the JEDEC assigned Manufacturer ID and the specific Device ID by dual I/O.
The command is initiated by driving the CS# pin low and shifting the command code “92H” followed by a 24-bit
address (A23-A0) of 000000H. After which, the Manufacturer ID and the Device ID are shifted out on the falling edge of
SCLK with most significant bit (MSB) first as shown in Figure25. If the 24-bit address is initially set to 000001H, the Device
ID will be read first.
Figure25. Read Manufacture ID/ Device ID Dual I/O Sequence Diagram
Command
0
1
2
3
4
5
6
7
92H
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
2
0
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
A23-16
A15-8
A7-0
M7-0
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
MFR ID
Device ID
40 41 42 43
6
4
2
0
7
5
3
1
44 45 46 47
6
4
2
0
7
5
3
1
MFR ID
(Repeat)
Device ID
(Repeat)
MFR ID
(Repeat)
Device ID
(Repeat)



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