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 = DELAY_TIME; …
concurrency - Please, clarify the concept of sequential and concurrent ...
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 comes to …
What is the difference between using assign and always block for ...
What is the difference between using assign and always block for combinational circuit in Verilog? Asked 5 years, 1 month ago Modified 2 years, 8 months ago Viewed 10k times
fpga - Why do we use Blocking statement in Combinatorial Circuits ...
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 RTL in the end; it …
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 inferred. It's …
scala - False "Combinational loop detected" - Stack Overflow
Mar 21, 2022 · 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 Verilator will …
Blocking assignments in always block verilog? - Stack Overflow
Jul 16, 2020 · now I know in Verilog, to make a sequential logic you would almost always have use the non-blocking assignment (<=) in an always block. But does this rule also apply to internal …
sequential vs combinatorial logic (Verilog and VHDL)
Mar 14, 2014 · Code-1 and Code-2 are the same, but messy. Brian Drummond has answered that Code-3 and Code-4 are the same. Code-5 and Code-6 are the same, and both contain the same …
Implementing combinational lock in verilog - Stack Overflow
Sep 22, 2021 · Implementing combinational lock in verilog Asked 4 years, 2 months ago Modified 4 years, 2 months ago Viewed 1k times
Verilog always block properties - sequential vs. combinatorial
Dec 23, 2021 · However, if your combinational logic were more complicated, the procedural approach might be easier to understand. In (a), the o signal must be a reg type since it is assigned inside a …