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Recent content by jmoore

  1. J

    How to simulate ASIC designs with a power and ground "plane"?

    Hi. I have a ASIC design that I made staged mesh grid pattern on a mettle layer for ground on one mettle layer and now when I try and extract the design with full LRC parasitics it is to big to simulate. i.e. the caliber view alone is ~2G if the system can generate it. I have tried enabling...
  2. J

    vhdl varable lengh Arrays wih STD_LOGIC_VECTOR indexing

    Thanks I am probably doing dumb things here as mentioned above. This is no so much a memory bank for say as a bank of control registers. The reason I am outpointing the whole thing is I was having trouble a wile back with control registers not being written in some sub blocks. Therefore I...
  3. J

    vhdl varable lengh Arrays wih STD_LOGIC_VECTOR indexing

    Sory I am terrible at giving details.. the oringanal long way of doing it is as follows : entity control_registers is Port ( clk_40 : in STD_LOGIC; reset : in STD_LOGIC; wr : in STD_LOGIC; data : in STD_LOGIC_VECTOR (15 downto 0); address ...
  4. J

    vhdl varable lengh Arrays wih STD_LOGIC_VECTOR indexing

    Hi I have been trying to make a clean variable size memory bank with little to no success. What i am trying to replace is the classic case statement : process(clk_40,reset,wr,data,address) begin if clk_40'event and clk_40 = '1' then if reset = '1' then registers_int <= (others =>(others...

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