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3305

Description
TFT CONVERTER 50PIN TO 40PIN
CategoryDevelopment board/suite/development tools   
File Size101KB,2 Pages
ManufacturerAdafruit
Environmental Compliance
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3305 Overview

TFT CONVERTER 50PIN TO 40PIN

3305 Parametric

Parameter NameAttribute value
typeinterface
Functiontouch screen controller
Embedded-
IC/parts usedAR1100
Main attributes-
What's includedplate
Auxiliary properties-
TFT 50pin to 40pin + AR1100
Touchscreen Adapter
PRODUCT ID: 3305
Description
This is a very special adapter, specifically used for adapting our RTD266X driver boards that have
50-pin TFT connectors to use 40-pin TFTs. Please note the adapter cannot be used the other way
around! As an addition, we add in an AR1100 resistive touch controller.
Resistive touch screens are incredibly popular as overlays to TFT and LCD displays. If you want to
connect one to a computer you need something to handle the analog to digital conversion. Most
converters we've found are not very easy to use, and are 'fixed' - making them difficult to calibrate.
The AR1100 is a nice chip that solves this problem by acting as a touch->USB converter and also
comes with calibration software. The calibration software is Windows only, but once you've
calibrated you can use the screen on any OS. The AR1100 shows up as a regular Mouse or Digitizer
HID device so no drivers are required and it works on any operating system that supports a USB
mouse.
These are sold with our test calibration, you may need to calibrate yourself which you can do with the 
Microchip windows software. For more details including calibration software, check out the AR1100 page. 
Once you've got video working, when you plug into a computer's USB port you should see a new device 
and touching the screen will cause the mouse cursor to move around.
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