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Recent content by zcq

  1. Z

    USELOWSKEWLINES Constraint!

    uselowskewlines yes, it works. zcq
  2. Z

    Xilinx Virtex4: Connecting a PowerPC module with userlogic

    There is EDK tutorial in XILINX'S web. zcq
  3. Z

    New Xilinx servic packs (ISE 7.1 SP3, EDK 7.1 SP2).

    I am using ISE7.1 to program virtex4-lx device, it works okay! zcq
  4. Z

    74xx library in ISE7.1i schematic

    no. however, you can take a reference with "library guide" which is locates at your ise install directory.
  5. Z

    Chipscope is not working correctly

    chipscope problem JTAG mode can be used no matter the M2~M0 setting. rgds, zcq
  6. Z

    How to generate 2 clock outputs in ISE 6.3?

    how to generate clock Have a look at Spartan3 user guide, there is a chapter about how to use DCM. Cheers, zcq
  7. Z

    Need books/links to study FPGA design flow

    FPGA design flow YOu can downlaod the tutorial from xilinx's website, it is very good for new guys. cheers, zcq
  8. Z

    How to infer flip-flops from CLBs?

    inferring FF in CLB All the synthesis tools can infer the FFs from the CLB. Rgds, zcq
  9. Z

    Free VHDL Codes for 74 series devices

    The link does not work at all!!! rgds, zcq
  10. Z

    What is the purpose of an RTOS ?

    Purpose of an RTOS I want to learn it too. I used to be a hardware(FPGA logic) designer ,any basic books suitable for me? Thanks, zcq
  11. Z

    Formula or tools for converting LUTs to count gates

    Re: Convert LUTs to Gates https://www.xilinx.com/bvdocs/appnotes/xapp059.pdf should be useful for you. cheers, zcq
  12. Z

    Any book discribes RTOS and microcontroller for newbie.

    Especially for the relation between RTOS and microcontroller. And it will be great if it is more practical. Seems most books are for RTOS internal which is very academic, not practical. thanks! zcq
  13. Z

    EDK microblaze tutorial

    edk tutorial Why dont you search it in Xilinx's webpage, i have ever downloaded it ,but not in hand not. zcq
  14. Z

    Relationship between XILINX logic cells to ASIC gates

    Seems there is an app note in Xilinx's web which mentions this. zcq
  15. Z

    From Xilinx !! It is very good

    Seems it only cost $99 for spartan3 starter kit, why spartan3e kit is even expensive? zcq
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