X9401_15 Datasheet, PDF(8/20 Page) Intersil Corporation – Quad, 64 Tap, Digitally Controlled Potentiometer

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X9401_15 Datasheet, PDF (8/20 Pages) Intersil Corporation – Quad, 64 Tap, Digitally Controlled Potentiometer

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X9401

TABLE 1. INSTRUCTION SET

INSTRUCTION SET

INSTRUCTION

I3 I2 I1 I0 R1 R0 P1 P0

OPERATION

XFR Wiper Counter Register to

Data Register

1 1 1 0 R1 R0 P1 P0 Transfer the contents of the Wiper Counter Register pointed to by

P1 - P0 to the Register pointed to by

R1 - R0

Global XFR Data Register to Wiper 0 0 0 1 R1 R0 0 0 Transfer the contents of the Data Registers pointed to by R1 - R0

Counter Register

of all four pots to their respective Wiper Counter Register

Global XFR Wiper Counter Register 1 0 0 0 R1 R0 0 0 Transfer the contents of all Wiper Counter Registers to their

to Data Register

respective data Registers pointed to by

R1 - R0 of all four pots

Increment/Decrement Wiper

Counter Register

0 0 1 0 0 0 P1 P0 Enable Increment/decrement of the Wiper Counter Register

pointed to by P1 - P0

Read Status (WIP bit)

0 1 0 1 0 0 0 1 Read the status of the internal write cycle, by

checking the WIP bit.

FN8190.5

September 14, 2015

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