VAR-320SBC Reference Guide
Copyright © 2008 Variscite
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Compatible with 4-wire resistive Touch Screens
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Power is supplied by a dedicated LDO
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Pen-detection and nIRQ generation
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Supports several schemes of measurement averaging to filter noise
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Maximum X & Y sample rate (without averaging): 5 kHz
Signal
Pin number Type
Description
TSPX
P2-88
Analog
TSI interface X Plus
TSMY
P2-90
Analog
TSI interface Y Minus
TSMX
P2-92
Analog
TSI interface X Minus
TSPY
P2-94
Analog
TSI interface Y Plus
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