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Programming from uUSB - gen4-PA - GEN4-ULCD-50DCT

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  • Programming from uUSB - gen4-PA - GEN4-ULCD-50DCT

    Hello,

    We're using the GEN4-ULCD-50DCT-CLB-SB. For prototyping, we program the display through the programming board gen4-PA via microUSB interface.

    We would like to integrate this feature (USB programming from PC) on a custom board.

    I saw on your gen4-PA schematic that you use the DTR pin of the CP2104 to create a RESET.
    I don't really understand if RESET pin is used for programming or only for a hardware reset ?

    I want to use an FTDI chip "FT230X", but this device don't support the "DTR" function.
    Will it work ?

    Thanks for your help,
    Best regards.

  • #2
    Hi Clement,

    Welcome to the Forum!

    Yes, the Reset pin is used for both programming and Hardware Reset.

    You may read this thread to know how to convert DTR into reset https://forum.4dsystems.com.au/forum...-usb-to-serial

    More information can be found here:
    https://forum.4dsystems.com.au/forum...2862#post52862

    Hope this helps and Best Regards,
    Eran

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