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LM8300 - Four Wire Resistive Touchscreen Controller

This page provides the datasheet information for the LM8300, a member of the LM8 Four Wire Resistive Touchscreen Controller family.

Datasheet Summary

Description

The LM8300/8400/8500 is a 4-wire resistive touch screen controller.

The controller samples and drives the touch screen without the need of any external hardware.

The built in 10-bit A/D provides a maximum of 500 coordinate pairs per second (cpps).

Features

  • KEY.

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Datasheet preview – LM8300

Datasheet Details

Part number LM8300
Manufacturer National Semiconductor
File Size 319.71 KB
Description Four Wire Resistive Touchscreen Controller
Datasheet download datasheet LM8300 Datasheet
Additional preview pages of the LM8300 datasheet.

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Full PDF Text Transcription

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LM8300/LM8400/LM8500 Four Wire Resistive Touchscreen Controller with Brownout PRELIMINARY October 2002 LM8300/LM8400/LM8500 Four Wire Resistive Touchscreen Controller with Brownout General Description The LM8300/8400/8500 is a 4-wire resistive touch screen controller. The controller samples and drives the touch screen without the need of any external hardware. The built in 10-bit A/D provides a maximum of 500 coordinate pairs per second (cpps). The data sampled from the touch screen is sent out on the UART at a speed of 38400 bps. The controller has a power-saving mode which causes the controller to self-power down when no touch is detected on the touch screen for a specified amount of time.
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