A Primer on Digitally-Controlled Potentiometers A Primer on Digitally-Controlled Potentiometers Application Note June 7, 2005 AN124.0 Author: Chuck Wojslaw The objective of this technical note is to provide the design and (3) SPI (Serial Peripheral Interface). The control signals engineer with the fundamentals of the operation and for the 3-wire bus are Up/Down, Increment, and Device application of digitally-controlled potentiometers. Sele……