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You are here: Home / Topics / about interface ADC0808 using clock from 8051 microcontroller (AT89C51)

about interface ADC0808 using clock from 8051 microcontroller (AT89C51)

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Microcontroller › 8051 › about interface ADC0808 using clock from 8051 microcontroller (AT89C51)

  • This topic has 8 replies, 3 voices, and was last updated 11 years, 5 months ago by Deepesh Kumar Jain.
Viewing 9 posts - 1 through 9 (of 9 total)
  • Author
    Posts
  • January 17, 2011 at 9:09 pm #545
    Ahmed
    Participant

     Hi Everybody

    if any one tying this kind of interface? pleas tell me about the frequency of the controllor that must tyied if we know that 0808 must have 500KHz…

     

    this is the block diagram…

    http://www.engineersgarage.com/microcontroller/8051projects/interface-ADC0808-using-clock-AT89C51#tabset-tab-3

    January 18, 2011 at 5:02 am #5337
    dagakshay
    Participant

    you aksing for freq is been provided by controller to clk pin of 0808???

     

    in the code:

    TMOD=0x22;  //timer0 setting for generating clock of 500KHz using interrupt enable mode.
    TH0=0xFD;
    IE=0x82;
    TR0=1;

    i hope thiss will solve your problem… or plz a bit more specify your self.. xtcally what you asking….

    January 19, 2011 at 3:56 pm #5342
    Ahmed
    Participant

     Thanks DAGAKSHAY Your answer is very good for me…..

     

    now I have another problem that I don’t have the converter of C to Hex?

    so if you have it please help by send it to my mail

    [email protected]

     

    and i’ll be GRATEFUL

     

    thank you so much

    January 20, 2011 at 2:29 am #5344
    dagakshay
    Participant

    the compiler it self have an option to convert you C code into hex file

    we use keil for 8051 controller… which compiler u use….

    January 20, 2011 at 10:57 am #5349
    Ahmed
    Participant

     I don’t have keil fpr 8051, I have just c language but I will trying search the compiler in the net

     

    thank you DAGAKSHAY

    January 20, 2011 at 12:08 pm #5350
    dagakshay
    Participant

    these are some of the link fronm where you can download keil compiler

     

    http://ptf.com/keil/keil+uvision4/

     

    http://www.esoft.in/applications/61105-keil-c51-v901-compiler-uvision-4-ide.html

     

    http://www.sharewareconnection.com/software.php?list=Keil+Uvision+4

     

     

     

    January 24, 2011 at 7:06 am #5364
    Ahmed
    Participant

     Hi DAGAKSHAY

     

    I promise to upload a video of my project….

     

    this is it

     

    http://www.4shared.com/video/kIOm17p2/1_online.html

     

    thank you for you kindness & thank’s to ENGINEERS GARAGE team

     

    your’s student Ahmed

    May 17, 2011 at 7:11 am #6254
    Ahmed
    Participant

    Finaly I Complet my project with perfect measurement 8-Channal…

    my friend ROMEL…

    I found the ansower about random measurment of the ADC0808 that when we put a simple channal we must comman the ground with the ADC0808 (SINGLE ENDED Tying) i make the hardware & software with VB6 and it’s work with 8-chanal perfect.

     

    MR.DAGAKSHAY

    thanks to your help and for this site when i provide my project i wrote in the reference URL site of Engineersgarage so i’m greatful so math

     

    (Alhamdo lilaah Rab Al-Alamin)

     

    Greeting To ALL

    January 28, 2014 at 7:34 am #10899
    Deepesh Kumar Jain
    Participant

    hi @ahmad

    congrats for your completion of project.

    Thanks for the above post

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