Search results with tag "Verilog 1 fundamentals"

Verilog 1 - Fundamentals - University of California, San Diego

cseweb.ucsd.edu

Bit-vector is the only data type in Verilog Z High impedance, floating X Unknown logic value 1 Logic one 0 Logic zero Value Meaning An X bit might be a 0, 1, Z, or in transition. We can set bits to be X in situations where we don’t care what the value is. This can help catch bugs and improve synthesis quality.

Fundamentals, Verilog, Verilog 1 fundamentals

Verilog 1 - Fundamentals - University of California, San Diego

cseweb.ucsd.edu

A Verilog module has a name and a port list adder a_i b_i cy_o sum_o module adder( input [3:0] a_i, input [3:0] b_i, output cy_o, output [3:0] sum_o ); // HDL modeling of // adder functionality endmodule Note the semicolon at the end of the port list! Ports must have a direction and a bitwidth. In this class we use _i to denote in

Fundamentals, Module, Verilog, Verilog 1 fundamentals

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Verilog 1 - Fundamentals, Module