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GD25D10CPFG Datasheet(Scheda tecnica) 21 Page - GigaDevice Semiconductor (Beijing) Inc.

Numero della parte GD25D10CPFG
Dettagli  3.3V Uniform Sector Standard and Dual Serial Flash
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Produttore  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Homepage  http://www.gigadevice.com/
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 21 page
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3.3V Uniform Sector
Standard and Dual Serial Flash
GD25D10C/05C
21
Figure15. Release Power-Down and Read Device ID Sequence Diagram
7.15. Read Manufacture ID/ Device ID (REMS) (90H)
The Read Manufacturer/Device ID 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.
The command is initiated by driving the CS# pin low and shifting the command code “90H” followed by a 24-bit address
(A23-A0) of 000000H. After that, 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 Figure16. If the 24-bit address is initially set to 000001H, the Device ID will be
read first.
Figure16. Read Manufacture ID/ Device ID Sequence Diagram
7.16. Read Identification (RDID) (9FH)
The Read Identification (RDID) command allows the 8-bit manufacturer identification to be read, followed by two bytes
of device identification. The device identification indicates the memory type in the first byte, and the memory capacity of the
device in the second byte. Any Read Identification (RDID) command while an Erase or Program cycle is in progress is not
decoded, and has no effect on the cycle that is in progress. The Read Identification (RDID) command should not be issued
while the device is in Deep Power-Down Mode.
The device is first selected by driving CS# low. Then, the 8-bit command code for the command is shifted in. This is
Command
0
1
2
3
4
5
6
7
ABH
CS#
SCLK
SI
8
9
29 30 31
MSB
2
1
0
3 Dummy Bytes
23 22
32 33 34 35 36 37 38
7
6
5
4
3
2
1
0
SO
MSB
t RES2
Stand-by Mode
Deep Power-down Mode
High-Z
Device ID
Command
0
1
2
3
4
5
6
7
90H
CS#
SCLK
SI
SO
High-Z
8
9 10
28 29 30 31
3
2
1
0
23 22 21
24-bit address
MSB
34 35 36 37
33
6
5
4
3
2
1
0
38 39
32
42 43 44 45
41
46 47
40
7
Device ID
CS#
SCLK
SI
SO
MSB
Manufacturer ID
6
5
4
3
2
1
0
7




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