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GD25LQ40 датащи(PDF) 39 Page - ELM Electronics

номер детали GD25LQ40
подробное описание детали  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  59 Pages
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производитель  ELM [ELM Electronics]
домашняя страница  http://www.elmelectronics.com
Logo ELM - ELM Electronics

GD25LQ40 датащи(HTML) 39 Page - ELM Electronics

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39
Rev.1.0
59 -
http://www.elm-tech.com
GD25LQ40xIGx 1.8V Uniform Sector Dual and Quad Serial Flash
Figure 26. 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)
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.



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