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 …
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 …
verilog - FPGA LUTs for combinational logic - Stack Overflow
Jan 13, 2022 · You do not need any combinational luts for it unless flops are implemented using luts. Also luts usually have 1-bit outputs, so your implementation depends a lot on the number of output bits.
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
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 …
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
Incrementing a counter variable in verilog: combinational or sequential
Incrementing a counter variable in verilog: combinational or sequential Asked 12 years, 11 months ago Modified 12 years, 11 months ago Viewed 35k times
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 …
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 …