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Thread: Jtag Cable

  1. #1

    Jtag Cable

    HI all,

    I've try to do my jtag cable but it doesn't work. I've check my pin and seems to be good.

    I've take a look at the forum and I've found two different cable :

    First one (the old one):
    LPT Démo
    5 ------------------[100 KW]--------RST
    4 ------------------[100 W]---------TDI
    13 -----------------[33 W]----------TDO
    2 ------------------[100 W]---------TMS
    3 ------------------[100 W]---------TCK
    GND--------------------GND

    The second one (the one have done) :
    LPT Démo
    3V3 VCC--------[1,5 KW]--------RST
    8 ------------------[100 W]---------TDI
    11 -----------------[33 W]----------TDO
    3 ------------------[100 W]---------TMS
    2 ------------------[100 W]---------TCK
    15 & 18 à 25--------------------GND
    6 & 10----------------------------Pont

    When I launch EJtag tiny tools
    the CPU id is FFFFFFF

    What can I do ?

  2. #2

    Re: Jtag Cable

    I autoreply :

    My problem was that the jumper CPU_PROB_EN wasn't enought making the contact with the two pins. Now I've test my cable with the second pin and everything works well.

  3. #3
    Junior Member
    Join Date
    18-10-2005
    Posts
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    Re: Jtag Cable

    I also have a probema with Jtag cable.
    When I connect (EJTAG Tiny Tools) appears
    Init Debug mode <error>.

    Can someone help me.

    Since already thank you

    Tugacho

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