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IS25WP064A-RBLE Datasheet(PDF) 54 Page - Integrated Silicon Solution, Inc

Part # IS25WP064A-RBLE
Description  1.8V SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE
PDF  111 Pages
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Manufacturer  ISSI [Integrated Silicon Solution, Inc]
Direct Link  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS25WP064A-RBLE Datasheet(HTML) 54 Page - Integrated Silicon Solution, Inc

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IS25WP064A/032A
Integrated Silicon Solution, Inc.- www.issi.com
54
Rev. 00D
03/01/2016
8.17 WRITE STATUS REGISTER OPERATION (WRSR, 01h)
The Write Status Register (WRSR) instruction allows the user to enable or disable the block protection and
Status Register
write protection features by writing “0”s or “1”s into the non-volatile BP3, BP2, BP1, BP0, QE, and
SRWD bits.
Also WRSR instruction allows the user to disable or enable quad operation by writing “0” or “1” into
the non-volatile QE bit.
Figure 8.28 Write Status Register Sequence In SPI Mode
Instruction = 01h
CE #
SCK
SI
SO
Data In
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Mode 3
Mode 0
7
3
2
1
0
6
5
4
High Impedence
Figure 8.29 Write Status Register Sequence In QPI Mode
01h
0
1
Mode 3
Mode 0
2
3
7:4
3:0
CE#
SCK
IO[3:0]
Data In



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