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P&E USB-ML-12 connection problem:Failed to find communication speed error

Question asked by Lakshman Kariwadekar on Mar 12, 2009
Latest reply on Mar 13, 2009 by Daniel Lundin
I was running fine with the codewarrior debugger(CWHC12XV4.5) on my target board having MC9S12dp256b part till today.
But suddenly, today, on the same working board, when I try to load the debugger, it gives me "Failed to find communication speed" error.Also we couldnt see USB port option  on the list of choices.
So, any ideas whether my chip has gone bad or is there anything else I can still try out.