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Recent content by roshan12

  1. roshan12

    Best replacement policy for a fully associative cache

    If I'm developing a fully associative cache of significantly large size, which replacement algorithm is best suited to go with it? I've seen that for smaller fully associative structures like victim cache algorithms like FIFO and LRu tend to work quite well. But as the size increase, these...
  2. roshan12

    Can victim caches be used adjacent to the L2 cache or LLC?

    I've seen in many papers that victim caches are associated with direct mapped L1 caches. Is it advantageous to use a victim cache associated with the L2 cache? If so please specify them.
  3. roshan12

    [moved] Dual MicroBlaze design in Xilinx EDK 10.1

    Hi, when i checked the MHS file the Microblaze instances were mapped as follows: the lines PARAMETER C_INTERCONNECT = 1 and were found to be missing in the Microblaze IP added afterwards. I also tried to add an additional clock output to the clock generator. what might i be missing?
  4. roshan12

    [moved] Dual MicroBlaze design in Xilinx EDK 10.1

    how can I check for the connection? the ports tab in system assembly view window doesn't show any clock signal connections. also for my design the BSB generated a clock generator and sys_proc_reset module. should I manually modify the MHS file to pt in necessary clock signals for the...
  5. roshan12

    [moved] Dual MicroBlaze design in Xilinx EDK 10.1

    It is not possible to create a system design comprising of two MicroBlaze processors operating at the same time. I used the base system builder wizard in Xilinx EDK 10.1 to design the system. Initially I built a single processor system and then tried to add the second processor IP (from IP...
  6. roshan12

    Web Server design using Xilinx EDK 10.1

    I'm pretty new to the Embedded development suite, Xilinx Platform Studio. I've installed a rather old version of EDK (the 10.1 version). I intend to do a project on Web Server design, and stumbled upon a few doubts. 1. Is it necessary to call upon HDL wrappers for peripherals like the Ethernet...
  7. roshan12

    Why use SiO2 and layer on Si substrate to fabricate CNTFET's

    In the fabrication of Carbon Nanotube FETs, the nanotubes are placed on the Si substrate over a layer of SiO2. Is this done to increase the band gap of the material or just to improve the adherence to the substrate??
  8. roshan12

    how does victim net drive strength affect magnitude of a glitch

    I understand that the magnitude of a glitch is related to the drive strength or slew rate of the aggressor. But I couldn't understand clearly the effect of victim net drive strength on glitch height. It is said in the book: "Static Timing Analysis for Nanometer Designs" and I quote "The smaller...
  9. roshan12

    how does victim net drive strength affect magnitude of a glitch

    when talking about glitches and crosstalk in interconnects it is said that the magnitude of the glitch is dependent on the drive strength of the victim net. "Victim net driving strength: The smaller the output drive strength of the cell driving the victim net, the larger the magnitude of the...
  10. roshan12

    Xilinx Platform Studio dual processor design

    Is it possible to create a dual processor design using EDK tool such that the processors (Microblaze units) are independent and mutually exclusive, yet constitute the elements of the same embedded system. The examples I've checked implement multi-core (multi-thread) processing units.
  11. roshan12

    Asynchronous designing in synchronous tools

    Sir, in our fsm design there appears to be a warning appearing while xilinx synthesis. The warning reads as: "Signal <next_state> is missing in the sensitivity list is added for synthesis purpose" I guess its pretty clear that the trouble with clock appears only in the 1st "always"...
  12. roshan12

    Asynchronous designing in synchronous tools

    Thank you Sir. Helped me a lot.
  13. roshan12

    Asynchronous designing in synchronous tools

    The microcontroller consists of a program counter, a Rom, instruction decoder(), alu,registers and Ram. The control structure is as follows: module control_unit ( rst, start, control, path, zero...
  14. roshan12

    Asynchronous designing in synchronous tools

    <<< Info: No user constrained base clocks found in the design. Calling "derive_clocks -period 1.0" >>> this statement was appearing in the synthesis info of Altera Quartus: alongwith <<<<<<<<< Info: No user constrained clock uncertainty found in the design. Calling...
  15. roshan12

    Asynchronous designing in synchronous tools

    Can Xilinx ISE or Altera Quartus synthesize a design unit which uses no clock inputs whatsoever? Is it possible to simulate an asynchronous module (a microcontroller) using synchronous design tools.?? I tried the fpga synthesis of an asynchronous microcontroller (module in verilog), which very...

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