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25Q128FVPF 데이터시트(PDF) 64 Page - Winbond

부품명 25Q128FVPF
상세설명  SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI
PDF  99 Pages
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제조업체  WINBOND [Winbond]
홈페이지  http://www.winbond.com
Logo WINBOND - Winbond

25Q128FVPF 데이터시트(HTML) 64 Page - Winbond

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W25Q128FV
- 63 -
8.2.26 Read Manufacturer / Device ID Dual I/O (92h)
The Read Manufacturer / Device ID Dual I/O instruction is an alternative to the Read Manufacturer /
Device ID instruction that provides both the JEDEC assigned manufacturer ID and the specific device ID
at 2x speed.
The Read Manufacturer / Device ID Dual I/O instruction is similar to the Fast Read Dual I/O instruction.
The instruction is initi
ated by driving the /CS pin low and shifting the instruction code “92h” followed by a
24-bit address (A23-A0) of 000000h, but with the capability to input the Address bits two bits per clock.
After which, the Manufacturer ID for Winbond (EFh) and the Device ID are shifted out 2 bits per clock on
the falling edge of CLK with most significant bits (MSB) first as shown in Figure 40. The Device ID values
for the W25Q128FV are listed in Manufacturer and Device Identification table. The Manufacturer and
Device IDs can be read continuously, alternating from one to the other. The instruction is completed by
driving /CS high.
/CS
CLK
DI
(IO
0)
DO
(IO
1)
Mode 0
Mode 3
0
1
2
3
4
5
6
7
Instruction (92h)
High Impedance
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
7
5
3
1
*
*
6
4
2
0
7
5
3
1
6
4
2
0
7
5
3
1
6
4
2
0
7
5
3
1
6
4
2
0
23
*
*
A23-16
A15-8
A7-0 (00h)
M7-0
/CS
CLK
DI
(IO
0)
DO
(IO
1)
24
25
26
27
28
29
30
31
32
33
34
36
37
38
35
23
0
Mode 0
Mode 3
7
5
3
1
6
4
2
0
7
5
3
1
6
4
2
0
7
5
3
1
6
4
2
0
7
5
3
6
4
2
1
0
1
MFR ID
Device ID
MFR ID
(repeat)
Device ID
(repeat)
IOs switch from
Input to Output
*
*
*
*
= MSB
*
Figure 40. Read Manufacturer / Device ID Dual I/O Instruction (SPI Mode only)
Note:
The “Continuous Read Mode” bits M(7-0) must be set to Fxh to be compatible with Fast Read Dual I/O instruction.



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