always_comb construct does not infer purely combinational logic
The problem is that you read and assign to the counter signal in side the always_comb block: counter = counter - 1; This can create a combinational feedback loop. Similarly for: counter = …
Systemverilog problem with always_comb construct - Stack Overflow
Jun 14, 2020 · When describing combinational logic in always blocks, you have to make sure that all your variables are assigned to a value in all paths in your code. Otherwise a latch will be …
concurrency - Please, clarify the concept of sequential and …
Jul 7, 2016 · What would be the difference if I implemented the decoder using process and a switch statement? I do not understand the word sequential execution of process when it …
What is the difference between using assign and always block for ...
A continuous assignment is just a simpler way of expressing the same thing as what you can do with an always block. The assign statement only lets you write to one signal at a time with one …
What is the difference between reg and wire in a verilog module?
Nov 1, 2015 · Remember, wire can only infer to combinational logic, while reg can infer to either combinational or sequential logic. Dave's blog is a good source for detailed information. For …
scala - False "Combinational loop detected" - Stack Overflow
Mar 21, 2022 · 3 It obviously depends on your specific code but I would still suggest trying to avoid creating the false combinational loop. It is likely true that it is a false loop, but tools like …
fpga - Why do we use Blocking statement in Combinatorial …
Mar 30, 2016 · For combinational segments we will use Nonblocking Statements because, when we use Blocking or NonBlocking statements, even though it gives us the same hardware or …
verilog - What is inferred latch and how it is created when it is ...
Mar 17, 2014 · I tried to figure out the inferred latch and why it is needed internally, but I couldn't find any resources with enough detail.
Blocked and non-blocking assignment error in verilator
Sep 28, 2022 · The 1st warning message indicates that verilator interprets your 1st always block as combinational logic, not sequential logic, and it treats the nonblocking assignment operator …
Circuit design that outputs square of binary input
Jun 3, 2015 · So for my digital logic course, we were asked to design a combinational circuit with 3 inputs, and an output that generates the square of the binary input. I assume she means the …