The Aspen Times: Book review: ‘Always Look on the Bright Side of Life: A Sortabiography’
Book review: ‘Always Look on the Bright Side of Life: A Sortabiography’
Looking on the bright side. When you hear this statement, it immediately brings me to the song from British comedy, Monty Python: “Always look on the bright side of life.” I must say, I have been ...
The always @() block is sensitive to change of the values all the variables, that is read by always block or we can say which are at the right side inside the always block. In your example, there are no any variables used inside always block, so this always @() block will not work here. As per SV LRM, always_comb is sensitive to changes within the contents of a function, whereas always @* is ...
6 I came to know that we can use assign statements in procedural blocks (like in always), what will be the difference in using "assign" inside always block and outside it (in concern with synthesized circuit). I mean when it is absolutely necessary to use assign in always?
The (*) means "build the sensitivity list for me". For example, if you had a statement a = b + c; then you'd want a to change every time either b or c changes. In other words, a is "sensitive" to b & c. So to set this up: always @( b or c ) begin a = b + c; end But imagine you had a large always block that was sensitive to loads of signals. Writing the sensitivity list would take ages. In fact ...