It is also possible for us to use an else-if type statement here but the else statement is more succinct. The behaviour is the same in both cases as the signal can only ever be 0b or 1b in a real circuit. Verilog Case Statement We use the verilog case statement to select a block ...
I want to make ELU function in the verilog-A code, but it shows syntax error continuously. But the Verilog-A document says that this is the correct syntax, so I would like to ask you what should I fix. module myVerilogAmodel(d, g, s); //* in...
When a variable is larger than required to hold a value being assigned, Verilog pads the contents on the left with zeros after the assignment. This is consistent with the padding that occurs during assignment of non-string values. Certain characters can be used in strings only when preceded by...
In normal case statement, the case expression needs to EXACTLY match, for one of the case statements to execute. There is no provision of Don't cares. casez solves this problem by allowing dont cares. If there is a z or ? in the case expression, then it means that the expression can...
In Verilog, blocking assignments (=) and non-blocking assignments (<=) are fundamental for describing how signals are updated in simulation cycles. Blocking assignments execute sequentially, one at a time, and the next statement waits for the current one to complete before proceeding. On the othe...
Animmediate assertionis the same as an if..else statement with assertion control. Immediate assertions have to be placed in a procedural block definition. Syntax label: assert(expression) action_block; The optional statement label (identifier and colon) creates a named block around the assertion st...
r_in : q_in; always @(posedge clk) Q <= out; endmodule --- 92. Mux and DFF (b) --- Problem Statement Consider the n-bit shift register circuit shown below: Write a Verilog module named top_module for one stage of this circuit, including both the flip-flop and multiplexers...
It is strongly recommended to automate this; e.g., if you are using vim-plug, put this in your init.vim file:Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}For other plugin managers such as packer.nvim, see this Installation page from the wiki (Note that this page ...
In this blog post we look at the use of verilog parameters and the generate statement to write verilog code which is reusable. This includes examples of a parameterized module, a generate for block, generate if block and generate case block. As with most programming languages, we should try ...
Repeat(<no. of times the loop should run>) <statement should be repeated > 21. What is Virtual and Pure virtual function in Verilog? Virtual Pure virtual It allows the overriding of a function in a derived class It has only declaration and no implementation The base class doesn’t need...