verilog

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Using Regular Expressions for Verilog Port Mapping

I have a really long port map where I want to replace a bunch of SignalName[i], with .SignalName(SignalName[i]),[详细]

2022-12-27 07:34 分类：问答
Global declarations are illegal in Verilog 2001 syntax!

I have wr开发者_运维知识库itten something small in verilog: `define LW 6\'b100011 `define SW 6\'b101011[详细]

2022-12-27 06:47 分类：问答
Verilog code simulates but does not run as predicted on FPGA

I did a behavioral simulation of my code, and it works perfectly. The results are as predicted. Whe开发者_开发技巧n I synthesize my code and upload it to a spartan 3e FPGA and try to analyze using chi[详细]

2022-12-22 23:30 分类：问答
What's the difference between $stop and $finish in Verilog?

I\'m using a GUI simulator, and they both seem to开发者_运维问答 do the same thing.$finish exits the simulation and gives control back to the operating system.[详细]

2022-12-21 23:35 分类：问答
Syntax for using an array of wires as input

I have the following module: module add_8bit ( output wire co, output wire [7:0] r, 开发者_JAVA技巧input wire ci,[详细]

2022-12-21 20:29 分类：问答
How to NOT use while() loops in verilog (for synthesis)?

I\'ve gotten in the habit of developing a lot testbenches and use for() and while() loops for testing purpose. Thats fine. The problem is that I\'ve taken this habit over to coding for circuits which[详细]

2022-12-21 20:20 分类：问答
How to synthesis verilog cores made in xilinx core generator?

I used coregen to develop a divider core. Here are the steps I tried to use that div开发者_如何学运维ider in my design (not sure if its quite correct):[详细]

2022-12-21 19:57 分类：问答
Are you allowed to have a module identifier be the same as the module type in Verilog?

For example module top debouncer debouncer(...); endmodule module debouncer ... endmodule Can I instantiate a debouncer as \"debouncer\" in the top m开发者_运维知识库odule, or is that illegal? Yes[详细]

2022-12-21 13:45 分类：问答
Producing a clock glitch in a Verilog design

I am designing a chip using Verilog. I have a 3-bit counter. I want that when the开发者_Python百科 counter is in its 8th loop, there should be a clock glitch, and thereafter work normally.What could b[详细]

2022-12-20 12:14 分类：问答
Passing a 256-bit wire to a C function through the Verilog VPI

I have a 256-bit value in Verilog: reg [255:0] val; I want to define a system task $foo that calls out to external C using the VPI, so I can call $foo like this:[详细]

2022-12-20 06:20 分类：问答