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GD25B127DFES 데이터시트(PDF) 34 Page - GigaDevice Semiconductor (Beijing) Inc.

부품명 GD25B127DFES
상세설명  3.3V Uniform Sector Dual and Quad Serial Flash
PDF  65 Pages
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제조업체  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
홈페이지  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B127D
34
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.
Figure27. 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
IO2
IO3
Dummy
MFR ID
DID
CS#
SCLK
SI(IO0)
SO(IO1)
IO2
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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