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GD25LB64CSIS データシート(PDF) 41 Page - GigaDevice Semiconductor (Beijing) Inc.

部品番号 GD25LB64CSIS
部品情報  1.8V Uniform Sector Dual and Quad Serial Flash
PDF  70 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.

GD25LB64CSIS 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
GD25LB64C
41
7.23 Read Manufacture ID/ Device ID Dual I/O (92H)
The Read Manufacturer/Device ID Dual 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 dual I/O.
The command is initiated by driving the CS# pin low and shifting the command code “92H” 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 Figure25. If the 24-bit address is initially set to 000001H, the Device
ID will be read first.
Figure25. Read Manufacture ID/ Device ID Dual I/O Sequence Diagram
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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