?? mux4x1.abv
字號:
module mux4x1
" 1st mux4x1
a,b,c,d pin;
s0,s1 pin;
z pin;
" 2nd mux4x1
e,f,g,h pin;
s2,s3 pin;
o pin;
x = .x.;
" for 1st mux4x1
test_vectors
([a,b, c,d, s0,s1] -> [z])
[0,x, x,x, 0, 0] -> [0];
[1,x, x,x, 0, 0] -> [1];
[x,x, 0,x, 0, 1] -> [0];
[x,x, 1,x, 0, 1] -> [1];
[x,0, x,x, 1, 0] -> [0];
[x,1, x,x, 1, 0] -> [1];
[x,x, x,0, 1, 1] -> [0];
[x,x, x,1, 1, 1] -> [1];
" for 2nd mux4x1
test_vectors
([e,f, g,h, s2,s3] -> [o])
[0,x, x,x, 0, 0] -> [0];
[1,x, x,x, 0, 0] -> [1];
[x,x, 0,x, 0, 1] -> [0];
[x,x, 1,x, 0, 1] -> [1];
[x,0, x,x, 1, 0] -> [0];
[x,1, x,x, 1, 0] -> [1];
[x,x, x,0, 1, 1] -> [0];
[x,x, x,1, 1, 1] -> [1];
end
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