need the code for linearfeedback register

Discussion in 'VHDL' started by yoga, Oct 11, 2003.

  1. yoga

    yoga Guest

    Please help me in trying out this problem
    I am trying to put the circuit.but i coulnot paste it.If anybody
    is interested in helping me just send a mail to me .I can send the ckt
    diagram with attachment.



    Implement the LFSR (Linear Feedback Shift Register) shown in Figure 1
    in VHDL. The number of stages n = 5 and the tap values are (Tap4,
    Tap3, ..., Tap0) = (1, 0, 0, 1, 1).
    Write a behavioral model of the design.
    (Tap7, Tap6, ..., Tap0) and (V7, V6, ..., V0) should be in
    STD_LOGIC_VECTOR format.
    2. Initialize the registers with two or more different values.
    3. Simulate your design at least 32 cycles. What do you observe from
    the different output V's?
    yoga, Oct 11, 2003
    #1
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  2. yoga

    Ray Andraka Guest

    Rather than asking us to do it for you, why don't you try it first. Then
    when you run into a specific problem, ask a question, posting the relevant
    part of your code if possible. We're not here to do your homework
    assignments for you.

    yoga wrote:

    > Please help me in trying out this problem
    > I am trying to put the circuit.but i coulnot paste it.If anybody
    > is interested in helping me just send a mail to me .I can send the ckt
    > diagram with attachment.
    >
    > Implement the LFSR (Linear Feedback Shift Register) shown in Figure 1
    > in VHDL. The number of stages n = 5 and the tap values are (Tap4,
    > Tap3, ..., Tap0) = (1, 0, 0, 1, 1).
    > Write a behavioral model of the design.
    > (Tap7, Tap6, ..., Tap0) and (V7, V6, ..., V0) should be in
    > STD_LOGIC_VECTOR format.
    > 2. Initialize the registers with two or more different values.
    > 3. Simulate your design at least 32 cycles. What do you observe from
    > the different output V's?


    --
    --Ray Andraka, P.E.
    President, the Andraka Consulting Group, Inc.
    401/884-7930 Fax 401/884-7950
    email
    http://www.andraka.com

    "They that give up essential liberty to obtain a little
    temporary safety deserve neither liberty nor safety."
    -Benjamin Franklin, 1759
    Ray Andraka, Oct 11, 2003
    #2
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