Interfacing the DAC0808 to FPGA

Discussion in 'VHDL' started by Hrishi, Apr 4, 2007.

  1. Hrishi

    Hrishi Guest

    Hello, I m building a Function generator using an FPGA!! I m almost
    done wid the Coding part in VHDL. I'd just like some help regarding
    the interfacing of DAC0808 with the FPGA. Also how th output Amplitude
    variation can be done.!!!
    Hrishi, Apr 4, 2007
    #1
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  2. Hrishi

    quantum_dot

    Joined:
    Nov 21, 2006
    Messages:
    31
    DAC0808 is a 8 bit DAC. You just need to give the proper 8 bit data to have the desired amplitude at the output. This is the way you achieve your output amplitude variation....
    :driver:
    quantum_dot, Apr 5, 2007
    #2
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  3. On 4 Apr., 19:17, "Hrishi" <> wrote:
    > Hello, I m building a Function generator using an FPGA!! I m almost
    > done wid the Coding part in VHDL. I'd just like some help regarding
    > the interfacing of DAC0808 with the FPGA. Also how th output Amplitude
    > variation can be done.!!!


    The interface of a 8 bit parallel DAC is one of the most simple
    problems you should solve.
    Maybe you could describe your specific problem more detailed.
    Thomas Stanka, Apr 5, 2007
    #3
  4. Hrishi

    kailassenan

    Joined:
    Apr 5, 2007
    Messages:
    1
    In DAC0808 Interface, u need to built 8 bit register of 256 address locations. Each address points the data that you want to store. You can easily bring the amplitude values by chossing your address and required data
    :wave:
    kailassenan, Apr 5, 2007
    #4
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