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Callback :
When a function is passed as a datamember the function which we get is a callback. This function which has been passed as an argument and can call any other function in the parent function.
You can create a task hierarchy system in sysverilog and simulate the same.
Depending on the kind of flipflop and how you have implemented it will decide the operation of PRESET+CLEAR.
Various outcomes include, metastability, PRESET being given priority, vice-versa.
A good example to analyze this situation with will be with passgate flip flop representation, Master...
Your variable KEY is declared as a net and since you are assigning it values inside an always block, it needs to be declared as a Reg.
In case u cannot declare KEY as reg, for it being an input, use a temp variable, manipulate it, and do a continuous assignment to KEY from that Variable.
reg...
I am still new to the field, but whatever literature that I have come across I have not found anything like this. I tried it in my simulator, it shows error. Moreover I dont see a need to use a nested always block. You can control the flow and assignments using the blocking and non blocking...
If I use a genvar statement with a For loop, and a simple for loop, while synthesizing it, whats the HW difference that is seen?
Also, if you could, please explain how is for loop synthesized as in HW? Is it a feedback kind of a thing with new vals or as successive blocks which could be broken...
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