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Recent content by jbs87

  1. J

    Wantinng to learn microcontrollers and have questions

    learn micro controllers I want to learn PIC microcontrollers and am a complete newbie. I know a bit of C and digital electronics but that's about it. In terms of book to learn micontrollers, is there any that focus on C and that are beginner friendly? is there any on Amazon youw ould...
  2. J

    LUT to change inputs of another module

    Lets say I have two programs in Verilog, one the LUT and the other some logic circuit with a clock. Lets say in that circuit 'a', a1 is an output. a1 is input to the LUT and the output of the LUT is the new clock value for 'a'(clock is an input to 'a'). eg: if a1=2'b00, the LUT changes the clock...
  3. J

    Need help on changing clock within program

    module lcd(leds,ssegsel, EN, clear, clear_value, clk, out,out1,a1); output [1:7] leds ; output [3:0] ssegsel; reg [1:7] leds; wire [3:0] ssegsel; input a1, EN, clear, clear_value, clk ; output out,out1; reg [63:0] out; wire [1:0] a1; wire CLK125khz, clk1; assign clk1=clk; // wire...
  4. J

    Problem when designing a MAC block

    I am trying to implement a MAC block in Verilog on a Xilinx Coolrunner 2 CPLD. I use the 2 switches on the board to toggle between 4 sets of inputs. module lcd(bcd,leds,ssegsel, EN, clear, clear_value, clk, out,out1,a1); input [3:0] bcd; output [1:7] leds ; output [3:0] ssegsel; reg [1:7]...
  5. J

    Seven segment displays on a coolrunner 2 starter kit

    coolrunner ii starter kit Hi: How do I drive multiple 7 segment displays on a coolrunner II starter kit. I have the verilog code for the decoder module lcd(bcd,leds); input [3:0] bcd; output [1:7] leds; reg [1:7] leds; always@(bcd) case(bcd) // 0:leds = 7'b1111110; 1:leds =...
  6. J

    Looking for a project for final year design course

    I'm looking for ideas for a project for my final year research project. One other guy and me are in a group, and we are looking for ideas on a project that will take 1 year to complete. We'll be doing this at the same time as other uni courses, but basically we require something of sufficient...
  7. J

    Book on FPGA design projects?

    Hi all Do any of you know of any books that have FPGA projects and code examples? I'm not talking about Verilog examples rather implementations on FPGA's that make sense and are not just "Hello world". Thanks for any replies
  8. J

    What's a good area to go in electronics?

    So much choice, so little time. i am in my third year of electrical engineering and am confused in what are to go into. What area (eg: FPGA's) has the most potential (new and interesting stuff happening, job growth, salary). I am interested in some areas but not enough that I am sure I want to...
  9. J

    Automate repetitive process of programming FPGAs, CPLDs?s

    At work, I have to program first the CPLD, then FPGA and finally load a bootlader and then WINDOWS CE onto a board. For the CPLDs, I use Xilinx Impact and for the FPGAs, I use Flashpro 3, for the bootloader I use a USB wriggler with the Macgraigor flash progammer, and finally for Windows CE, I...
  10. J

    New to FPGA's, couple of questions

    Hi all I'm interested in learning how to program FPGA's and have a couple of questions: )What is a good book for self study. I have a book by Samir Palnitkar? It seems to be about Verilog but do i need a book with regards to specific implementation on FPGA's? )Where can I find some decent...
  11. J

    When do you pull up a line?

    I'm not sure whether this is an analog or digital question. I know that for an I2C line, you have to pull up SDA and SCL. What other lines do you have to pull up? Someone told me that you have to pull up lines that come from open drains. In general, what are guidelines for pulling up lines? Thnx...

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