Is wait synthesizable?

Wait on is equivalent to using a sensitivity list in a process. As soon as any of the signals in the wait on list changes, the code will continue to execute. Wait for is never synthesizable.

Why is initial block not synthesizable?

Initial block is not synthesizable, this is because initial block runs only once in the simulation. In real hardware, there is no such concept as running only once. Hence, they are not synthesizable in ASICs which is a real hardware.

Is wait synthesizable in Verilog?

Despite that, you can’t determine the exact value of each clock period using digital logic. That is exactly why “Wait” is not synthesizable. The HDL synthesizer can’t find an equivalent cell/library in the target hardware for it. Assuming your question is about wait in verilog.

What synthesis tool is used in Xilinx?

The Vivado synthesis tool reads the subset of files that can be synthesized in VHDL, Verilog, or SystemVerilog, which is supported in the Xilinx tools.

Why delays are not synthesizable in Verilog?

But delays have to be multiples of the clock of that element. Usually you find things such as “after 10 ns” theses are propagation delays. When doing an ideal simulation on a Verilog simulator, outputs happen exactly when the inputs change. This is not realistic and does not describe the way real hardware work.

Is delay synthesizable in Verilog?

Is initial block synthesizable in FPGA?

Initial blocks can be used in either synthesizable or non-synthesizable blocks. Initial blocks only operate once. A synthesizable initial block is used to set the power-on value of registers, RAM, and ROM within FPGAs.

What is not synthesizable in Verilog?

Synthesizable Verilog is that subset of the language that are accepted by the synthesis tools. The non-synthesizable constructs are used only for simulation and the synthesis tool cannot handle them. 4.

Are Verilog primitives synthesizable?

Only gate level primitives are supported. UDP and tables are not supported. Example of Non-Synthesizable Verilog construct. Any code that contains the above constructs are not synthesizable, but within synthesizable constructs, bad coding could cause synthesis issues.