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Mar 12, 2012 · So, always use "always @*" or better yet "always_comb" and forget about the concept of sensitivity lists. If the item in the code is evaluated it will trigger the process. Simple as that. It an item. Sep 25, 2015 · always @(*) was added by Verilog IEEE 1364-2001 standard and replaced by always_comb in the SystemVerilog IEEE 1800-2005 standard. always @(*) should no longer be used. The always @(*) syntax was added to the IEEE Verilog Std in 2001. All modern Verilog tools (simulators, synthesis, etc.) support this syntax. Here is a quote from the LRM (1800-2009): An incomplete. Apr 2, 2012 · Is there a difference between an always block, and an always @* block? Jan 14, 2012 · The expression always @* begin : name_of_my_combinational_logic_block // code end describes combinational logic. Typically the clk and rst signals are not read from inside of this type of.

Apr 16, 2014 · I am totally confused among these 4 terms: always_ff, always_comb, always_latch and always. How and for what purpose can these be used? Nov 28, 2014 · The always construct can be used at the module level to create a procedural block that is always triggered. Typically it is followed by an event control, e.g., you might write, within a module,. Mar 28, 2016 · When I have a sensitivity expression like this: always @ (data) begin . . end does it means that every time "data" change the "begin" process will occur? But what happen if the data.