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GD25VE32CSMS Datasheet(PDF) 35 Page - GigaDevice Semiconductor (Beijing) Inc.

Part # GD25VE32CSMS
Description  Uniform Sector Dual and Quad Serial Flash
PDF  63 Pages
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Manufacturer  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Direct Link  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25VE32CSMS Datasheet(HTML) 35 Page - GigaDevice Semiconductor (Beijing) Inc.

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Uniform Sector
Dual and Quad Serial Flash
GD25VE32C
35
7.25.
Quad I/O Read Manufacture ID/ Device ID (94H)
The Quad I/O Read Manufacturer/Device ID 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
, and 4 dummy clocks. 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 Figure30. If the 24-bit address is initially set to 000001H,
the Device ID will be read first.
Figure 30. Quad I/O Read Manufacture ID/ Device ID Sequence Diagram
Command
0
1
2
3
4
5
6
7
94H
CS#
SCLK
SI(IO0)
SO(IO1)
8
9 10 11 12 13 14 15
4
0
4
0
4
0
4
0
16 17 18 19 20 21 22 23
4
0
4
0
5
1
5
1
5
1
5
1
5
1
5
1
A23-16 A15-8 A7-0
M7-0
6
2
6
2
6
2
6
2
6
2
6
2
7
3
7
3
7
3
7
3
7
3
7
3
WP#(IO2)
HOLD#(IO3)
Dummy
MFR ID
DID
CS#
SCLK
SI(IO0)
SO(IO1)
WP#(IO2)
HOLD#(IO3)
24 25 26 27 28 29 30 31
4
0
4
0
5
1
5
1
6
2
6
2
7
3
7
3
MFR ID
(Repeat)
DID
(Repeat)
4
0
4
0
5
1
5
1
6
2
6
2
7
3
7
3
MFR ID
(Repeat)
DID
(Repeat)



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