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Recent content by karlheinz

  1. K

    IDEA PIPELINED multiplier-accumulator

    Hi, search for "PIPELINED multiplier" in this forum.
  2. K

    German Component Suppliers

    Another one: www.reichelt.de
  3. K

    3.3V, 2.5V and 1.2V power supply generation for Spartan 3

    Re: 3.3V, 2.5V and 1.2V Look here: www.national.com/see/xilinxfpga
  4. K

    Can I connect 5V ICs directly to the IOs of Xilinx Spartan3?

    Re: Xilinx Spartan3 question 5V I/O operations are not supported. See Xilinx Spartan-3 FPGA Family Datasheet, topic: DC Electrical Characteristics, Absolute Maximum Ratings, Note 3.
  5. K

    Wich editor to use for VHDL?

    hierachical vhdl editor gpl I use ConTEXT (https://www.context.cx) because it is free and you can use it for Verilog, VHDL and many other languages. An other also free editor is Scriptum (https://www.hdlworks.com).
  6. K

    Gigabit Ethernet Controller

    Yes, PCI is very common but it must be implemented somewhere, for example in a FPGA, and this is not a cheap solution. I did not find any information about PCI-less controllers from Broadcom or Marvell and Davicom is still developing their chip. They can't even deliver a datasheet. So I think I...
  7. K

    Gigabit Ethernet Controller

    Hi, does anyone know an Integrated Gigabit Ethernet Controller (MAC and PHY) with a register based interface (not PCI) ?
  8. K

    can nand flash be used in place of spi flash

    nand with spi interface I think it would be very helpfull if you write the name oft the microcontroller and the flash you want to use.
  9. K

    heavy duty battery charger with automatic current cut off

    Re: heavy duty battery charger with automatic current cut of What kind off battery do you want to charge ? NiCd, NiMh ....
  10. K

    Any help about position sensor

    Hi SAV, a sonic transducer is normally not very fast but cheap. I would prefer a optical system. You could use a CCD- element and a light source or camera to detect the position of the ball. Another way could be to measure the position (weightiness) with two strain-gauges.
  11. K

    Devide frequency into 3 using AHDL or Verilog HDL

    I used 7zip (www.7zip.org) to decompress, Winzip reported an error in the archive.
  12. K

    Help me make a clock divider in VHDL using Altera FPGA

    Re: clock divider To detect a 0->1 or 1->0 transition use a flip-flop to store the CurrentSignal. Then compare CurrentSignal with OldSignal (the previous signal). If NOT(CurrentSignal) AND OldSignal = 1 then a 0->1 transition occured, similiar for the 1->0 transition. To generate the 12MHz...
  13. K

    Lowpass filter with Verilog

    design a filter in verilog Look here: hxxp://www.altera.com/support/examples/dsp/exm-dsp.html Replace hxxp with http and @ with a. There you find samples for FIR- and IIR- Filter in Verilog.
  14. K

    Where can I get mp3 core ?

    Re: mp3 core Hi davorin look here: hxxp://www.sparta.lu.se/~bjorn/whitney/index.htm hxxp://www.ece.ualberta.ca/~elliott/ee552/projects/1999f/Porta-AMP/ I hope this it what you want.
  15. K

    What is better for FPGA manufacturer, Xilinx or Altera?

    Re: Xilinx or Altera? Hi dora, I am using Xilinx FPGA's (XC4000, Spartan II and Virtex II) for over 6 years and I did not have any problems (speed, price ...) with them. So I would choose Xilinx again.
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