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MBIST circuit generated by Vendor is mostly in RTL. ( at least Mentor )
The input of MBIST insertion is either RTL or NETLIST designs.
It means that, there will be 1 more compile time after MBIST insertion.
SCAN inserted circuit however, mostly in NETLIST designs. ( as far as I known)
There is...
My guess:
1. There is dont_touch attribute on those cells. You can not replace them. Please check it.
2. The "high power cell" are in the Violated path which is out of your target to replace.
Re: Realization of D flip flop by basic gates from library while synthesizing
It is simply that you can not do with a synthesis Tool.
A group of people will take care a NAND level of standard cell which can circuit design, or libabry design team.
The others ( like you ) will use their output (...
What are the requirements for such a transition?
- You need to study logic function of basic standard cell : It is for gate level simulation
- You need to study Simulation EDA tool, how it works, how to make a verification environment.
- How to make a test pattern, how to confirm them as good...
If you want to improve the colleration between ICC and DC-topo,
there are variable to switch the placer and router as ICC engine on DC-topo.
Run time will be longer, but colleration is better.
If you want to have the FlipFlop for those "registers", you Must use the non-blocking assignment.
You are using Blocking assignment which can be inferred to combinational logic or latch.
It seem to me that your list of input verilog files are not enough.
You need to read ../syn/output/gng_ctg.v also, before reading gng.v.
Have a check if it is the reason.
You can google it. There are some of old PT version.
But I wonder what you are doing ? Just your curiousness and try PrimeTime [redacted] ?
If you work in a project or lesson, there are manual somewhere.
Look at this example and I am thinking about software trap to hardware designer.
Still, it happends.
If you break down the C code and take note on where intermediate variables have been used,
it can be considered as FlipFlops on hardware code.
A C for loop can be turned into a FIFO on...
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