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IS25WP064A-RBLE Datasheet(PDF) 64 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) 64 Page - Integrated Silicon Solution, Inc

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IS25WP064A/032A
Integrated Silicon Solution, Inc.- www.issi.com
64
Rev. 00D
03/01/2016
8.25 SET EXTENDED READ PARAMETERS OPERATION (SERPNV: 85h, SERPV: 83h)
Set Read Operational Driver Strength
This device supports configurable Operational Driver Strength in both SPI and QPI modes by setting three bits
(ODS0, ODS1, ODS2) within the Extended Read Register. To set the ODS bits the SERPNV and SERPV
operation instructions are
required. The device’s driver strength can be reduced as low as 12.50% of full drive
strength. Details regarding the driver strength can be found in Table 6.14.
SERPNV is used to set the non-volatile Extended Read register, while SERPV is used to set the volatile
Extended Read register.
Notes:
1. The default driver strength is set to 50%.
2. When SERPNV is executed, the volatile Read Extended Register is set as well as the non-volatile Read Extended
Register.
Figure 8.42 Set Extended Read Parameters Sequence In SPI Mode
Instruction = 85h/83h
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 8.43 Set Extended Read Parameters Sequence In QPI Mode
85h/83h
0
1
Mode 3
Mode 0
2
3
7:4
3:0
CE#
SCK
IO[3:0]
Data In



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