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GD25Q127CSJS Datasheet(PDF) 33 Page - GigaDevice Semiconductor (Beijing) Inc.

Part # GD25Q127CSJS
Description  3.3V Uniform Sector Dual and Quad Serial Flash
PDF  79 Pages
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Manufacturer  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Direct Link  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25Q127CSJS Datasheet(HTML) 33 Page - GigaDevice Semiconductor (Beijing) Inc.

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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25Q127C
33
read first.
Figure26. Read Manufacture ID/ Device ID Dual I/O Sequence Diagram
7.24.
Read Manufacture ID/ Device ID Quad I/O (94H)
The Read Manufacturer/Device ID Quad 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 quad I/O.
The command is initiated by driving the CS# pin low and shifting the command code “94H” 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 Figure27. If the 24-bit address is initially set to 000001H, the Device ID will be
read first.
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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