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  1. P

    Custom board "Download Error" and then chip dies

    Thanks for your replies and assistance. I have replaced the Mk20DX and Mini54 and added an additional 2.2uF cap on VBUS but unfortunately no change, still getting the "download error" message. I have managed to download a program which runs happily and repeatedly after powering down/up. I...
  2. P

    Custom board "Download Error" and then chip dies

    Hi, I am developing a custom board using the Mini54 bootloader and been having problems downloading programs and eventually the total death of the chip. The symptoms are as follows; When power is applied via the USB it is regulated to 3.3V by the MK20DX128. When the program button is...
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    Teensy 3: enable Watchdog

    Hi Frank, Did you get this working? This is something I would like to do as well... Peter
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