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TI Home » TI E2E Community » Support Forums » Other Analog & Touch » Touch » Touch Forum » Touchscreen controller with Hardware filtering
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Touchscreen controller with Hardware filtering

This question is answered
Joy Tan
Posted by Joy Tan
on Apr 10 2012 04:33 AM
Expert1175 points

hello,

May I know if TI has not touchscreen controller that come with hardware filtering like , Microchip part, p/n: AR1020?

for Example refering TSC2014 Is the pre-processing stage consider of filtering.

I am looking for a 4-wire resistive touch controller with I2C interface and hardware filtering.

Do you have any to recommend?

Thanks,

Joy

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  • Wendy Fang
    Posted by Wendy Fang
    on Apr 10 2012 09:16 AM
    Genius9725 points

    Joy,

    Many of TI's TSC devices have the build-in filtering capability. For example, TSC2004, TSC2017 or TSC2014 meet your requirements of 4-wire resistive TSC with I2C interface and hardware build-in filtering.

    Please feel free to ask if you need more info!

    Regards,
    Wendy F.

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  • Joy Tan
    Posted by Joy Tan
    on Apr 12 2012 01:40 AM
    Expert1175 points

    Dear Wendy,

    May I know it seem like datasheet for TSC2014 available on the web is incomplete. Can you pls confirm?

    Secondly, the hardware filtering for TSC2004, TSC2017 is at the pre-processing block?

    Thanks,

    Joy

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  • Wendy Fang
    Posted by Wendy Fang
    on Apr 12 2012 09:04 AM
    Genius9725 points

    Hello Joy,

    You are right -- the TSC2014 d/s on TI web is not the full version!  May you please provide me your email address and the customer info so that I can email to you directly?

    Yes, the hardware filtering in TSC2004/TSC2017 is implemented at the pre-processing block.

    Best regards,
    Wendy F.

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  • Joy Tan
    Posted by Joy Tan
    on Apr 12 2012 20:07 PM
    Expert1175 points

    Dear Wendy,

    Pls send me the datasheet at joy.tan@serialsystem.com.

    The customer info i will provide you offline.

     

    thanks,

    Joy

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  • Wendy Fang
    Posted by Wendy Fang
    on Apr 13 2012 10:51 AM
    Verified Answer
    Verified by Wendy Fang
    Genius9725 points

    Hello Joy,

    Just emailed you the d/s full version. Please feel free to ask if there is further question!

    Best regards,
    Wendy F.

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  • Eric Lo63813
    Posted by Eric Lo63813
    on Jun 26 2012 06:48 AM
    Intellectual310 points

    Dear Wendy,

    Pls send me the full  version datasheet & reference circuit at eric_lo@yosungroup.com.

    The customer info i will provide you offline.

    thanks,

    Eric Lo

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  • Wendy Fang
    Posted by Wendy Fang
    on Jun 26 2012 09:15 AM
    Genius9725 points

    Dear Eric,

    Please email me the customer's info to w-fang1@ti.com so that I can provide you the TSC2014 full d/s. About the refrence circuit -- you may find the TSC2014EVM and EVM-PDK user's guide at TI website (http://www.ti.com/general/docs/lit/getliterature.tsp?baseLiteratureNumber=sbau182&fileType=pdf),  where you can find the EVM schematic and layout.

    Best regards,
    Wendy F.

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