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GD25LQ64CSJS データシート(PDF) 41 Page - GigaDevice Semiconductor (Beijing) Inc.

部品番号 GD25LQ64CSJS
部品情報  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  77 Pages
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メーカー  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
ホームページ  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25LQ64CSJS データシート(HTML) 41 Page - GigaDevice Semiconductor (Beijing) Inc.

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1.8V Uniform Sector
Dual and Quad Serial Flash
GD25LQ64C
41
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 Figure26. If the 24-bit address is initially set to 000001H, the Device
ID will be read first.
Figure26. Read Manufacture ID/ Device ID Quad I/O 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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