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GD25B256D Datasheet(Arkusz danych) 52 Page - GigaDevice Semiconductor (Beijing) Inc.

Numer części GD25B256D
Szczegółowy opis  3.3V Uniform Sector Dual and Quad Serial Flash
Pobierz  82 Pages
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Producent  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Strona internetowa  http://www.gigadevice.com/
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 52 page
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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B256D
52
7.28. 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 Figure 60. If the 24-bit address is initially set to 000001H, the Device ID will be
read first.
Figure 60. 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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