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Recent content by mathswork

  1. M

    An ARM7v4 IP Core. Does anyone need it ?

    Hi, kel8157, I have downloaded it into my fpga board: digilent's spartan-3e starter kit. I use UART to download bin file to ROM, and could see it works immediately. That means FPGA board become an ARM developping board. The new core has improved more. The critical path is only 26...
  2. M

    An ARM7v4 IP Core. Does anyone need it ?

    kel8157, hi, I could do that. Attatched is some versions I did recently. Any problem please mail me.
  3. M

    An ARM7v4 IP Core. Does anyone need it ?

    Hi, kel8157 It is very easy to have this core connected with a single port RAM. I am familar with dual port RAM, so this version is made for that. I could modify some lines. It is easy. The critical path gives me a big problem very much. I think that is why ARM names its core low-power...
  4. M

    An ARM7v4 IP Core. Does anyone need it ?

    ip core rom reading rom Hi, I am glad to hear that you are paying attention on my arm ip core. Maybe, you are the second person to simulate it I know. As for 32x32 multiplier, it is the key component in my core. Almost every ARM instruction need it. It is used not only as RmxRs+Rn...
  5. M

    Pipeline problem- instuction No.4 was fetched

    Pipeline problem I think BRANCH is being made in the time: "EX" of 3.
  6. M

    An ARM7v4 IP Core. Does anyone need it ?

    cloning arm core Ok, i have fixed it. re-download it. Some text to explain it in my blog: h**p://free-arm.blog.163.com
  7. M

    An ARM7v4 IP Core. Does anyone need it ?

    rom_data.bin download Hi,kel8157 Of course I have many testbench for it and Each is aimed at single instruction. This was the only way to check it before. But now, I have "keil for arm" produced "Hex" file. I know little to embeded programming, and i have to learn C programing to make it...
  8. M

    An ARM7v4 IP Core. Does anyone need it ?

    arm ipcore Hi, all I have developed an ARMv4 IP cores. It has not typical ARM bus, but it works well. I need help of anyone to wrap it as a typical IP core, or support any testcase for me. This core is very small: a .v file of less than 2000 lines. Any one can use it, I just need your...
  9. M

    Step from Schematic to Layout in ic5

    I have finished this tutorial: In Virtuoso's menu: Design : There is a selection:gen from source; It will ask u to locate the area of layout and the layers of the pins.

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