need help about icl7135

Discussion in 'The Projects Forum' started by 466576266, Mar 22, 2010.

  1. 466576266

    Thread Starter New Member

    Mar 17, 2010
    10
    0
    hello, i am doing some work about the IC ICL7135. i use the MCU at89c51 to acquite data through pin21(BUSY) of the icl7135. and i have finished the c code. my problem is: i can get the data. but when i change the analog input ,the LED doesn't response, it still dispaly the previou value. i don't know what happened?
    appreciate with your help!
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    Post your schematic and your source code.

    Otherwise, all we know is that you have a problem somewhere.
     
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