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IS25LP032D-RHLA3 データシート(PDF) 61 Page - Integrated Silicon Solution, Inc

部品番号 IS25LP032D-RHLA3
部品情報  SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE
PDF  118 Pages
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メーカー  ISSI [Integrated Silicon Solution, Inc]
ホームページ  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS25LP032D-RHLA3 データシート(HTML) 61 Page - Integrated Silicon Solution, Inc

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IS25LP032D
IS25WP032D
Integrated Silicon Solution, Inc.- www.issi.com
61
Rev. A12
08/04/2020
8.19 WRITE FUNCTION REGISTER OPERATION (WRFR, 42h)
The Write Function Register (WRFR) instruction allows the user to disable dedicated RESET# pin or ball on 16-pin
SOIC or 24 ball TFBGA by setting Dedicated RESET# Disable bit
to “1”. Also Information Row Lock bits
(IRL3~IRL0) can be set to “1” individually by WRFR instruction in order to lock Information Row.
Since Dedicated RESET# Disable bit and IRL bits are OTP, once they are set to “1”, they cannot be set back to “0”
again
Figure 8.32 Write Function Register Sequence In SPI Mode
Instruction = 42h
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 8.33 Write Function Register Sequence In QPI Mode
42h
0
1
Mode 3
Mode 0
2
3
7:4
3:0
CE#
SCK
IO[3:0]
Data In



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