Datasheet
AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
DS41606B-page 10 2011 Microchip Technology Inc.
3.2 Schematic
A simplified schematic is provided below. A detailed
schematic and BOM is given in FIGURE B-1: “Sche-
matic” and FIGURE B-2: “Bill of Materials”.
FIGURE 3-1: SIMPLIFIED SCHEMATIC
3.3 Sensor Attachment
AR1100 connections to the various sensor types are
described graphically in Figure 3-2.
FIGURE 3-2: SENSOR EQUIVALENT CIRCUIT MODELS
Note: Unused SENSOR pins should be
grounded.