AR1100 Datasheet, PDF (10/58 Pages) Microchip Technology – AR1100 Resistive USB and RS-232 Touch Screen Controller

AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
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
Note: Unused SENSOR pins should be
grounded.
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
DS41606B-page 10
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