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IS25LP064A-RBLE1 bảng dữ liệu(PDF) 63 Page - Integrated Silicon Solution, Inc

tên linh kiện IS25LP064A-RBLE1
Giải thích chi tiết về linh kiện  3V SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE
PDF  99 Pages
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nhà sản xuất  ISSI [Integrated Silicon Solution, Inc]
Trang chủ  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS25LP064A-RBLE1 bảng dữ liệu(HTML) 63 Page - Integrated Silicon Solution, Inc

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IS25LP064A/032A
Integrated Silicon Solution, Inc.- www.issi.com
63
Rev. A
11/06/2015
8.28 READ UNIQUE ID NUMBER (RDUID, 4Bh)
The Read Unique ID Number (RDUID) instruction accesses a factory-set read-only 16-byte number that is
unique to the device. The ID number can be used in conjunction with user software methods to help prevent
copying or cloning of a system. The RDUID instruction is instated by driving the CE# pin low and shifting the
instruction code (4Bh) followed by 3 address bytes and a dummy byte. After which, the 16-byte ID is shifted out
on the falling edge of SCK as shown below.
As a result, the sequence of RDUID instruction is same as FAST READ except for the instruction code. RDUID
QPI sequence is also same as FAST READ QPI except for the instruction code. Refer to the FAST READ QPI
operation.
Note: 16 bytes of data will repeat as long as CE# is low and SCK is toggling.
Figure 8.48 RDUID Sequence
Instruction = 4Bh
Dummy Byte
CE #
SCK
SI
SO
0
1
...
7
8
9
...
31
32
33
...
39
40
41
...
47
Mode 3
Mode 0
3 Byte Address
Data Out
tV
...
Table 8.6 Unique ID Addressing
A[23:16]
A[15:9]
A[8:4]
A[3:0]
XXh
XXh
00h
0h Byte address
XXh
XXh
00h
1h Byte address
XXh
XXh
00h
2h Byte address
XXh
XXh
00h
XXh
XXh
00h
Fh Byte address
Note: XX means
“don’t care”.



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