Datasheet

MCP4XXX Digital Potentiometer Daughter Board User’s Guide
DS51621A-page 10 © 2006 Microchip Technology Inc.
2.3.1 The Hardware
Figure 2-2 shows the layout of the MCP4XXX Digital Potentiometer Daughter Board.
This is a small two-layer board (2.25" x 2.517" (57.2 mm x 63.9 mm)).
There are sixteen connection points/pads that can use either through-hole or
surface-mount connector posts and two through hole connections for power/ground.
The connections to the SPI signals can be via the center taps of the JMP2 (SCK/SCL),
JMP3 (SDO), and JMP4 (SDI/SDA) jumpers.