Tristate Description Using Combinatorial Always Block Coding Verilog Example - 2023.1 English

Vivado Design Suite User Guide: Synthesis (UG901)

Document ID
UG901
Release Date
2023-06-09
Version
2023.1 English

Filename: tristates_1.v

// Tristate Description Using Combinatorial Always Block
// File: tristates_1.v
//
module tristates_1 (T, I, O);
input T, I;
output O;
reg O;

always @(T or I)
begin
if (~T)
O = I;
else
O = 1'bZ;
end

endmodule