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Tacho by Elektronikjack - problem

Discussion in 'SimTools compatible interfaces' started by marcin, Dec 14, 2010.

  1. marcin

    marcin New Member

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    Hi I made a PCB (fixed 2 errors on PCB - short circuit) and programed Atmega32 but i have problem with start serial communicate.
    I set fusebits in ponyprog:
    checked =0 unchecked=1
    CKOPT bit=0; bootsz1=0; bootsz0=0; bootrst=1; sut1=1;sut0=1; cksel3=1; cksel2=1; cksel1=1; cksel3=0

    I've maed a serial cable rx and tx crossed (pins 2 and 3) and gnd on 5 when i turn on hyperterminal nothing happend.
    On board I can erase/read and write Atmega. please help me with my problem. How I can test boot AVR or what change in fusebits?
  2. kubing

    kubing Member

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    cable problem maybe..
  3. marcin

    marcin New Member

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    Hi Kubing what You mean cable problem'? i've got schemat rsr232 and have 3 lines RX,TX and GND the rx and tx i crossed that is good connection. Do You know what should hyper terminal show when connection is estabilsh?