APT7843 controller equivalent, touch screen controller.
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16 pin SSOP or TSSOP Operates with four wire touch screen 8-bit or 12 bit A/D converter Ratiometric Conversion eliminates screen.
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PDAs Handheld computer Touch-screen kiosks
Pin Assignment
+Vcc X+ Y+ XYGND IN3 I.
The APT7843 Touch Screen Controller IC provides all the screen drive , A/D converter and control circuits to easily interface to 4 wire resistive touch screen. The IC continually monitors the screen waiting for a touch. When the screen touched , the .
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