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CH-CPLD 補充教材

例 2：葛雷碼轉換成二進制

G3 G2 G1 G0 B3 B2 B1 B0
0 0 0 0 0000
0 0 0 1 0001
0 0 1 1 0010
0 0 1 0 0011
0 1 1 0 0100
0 1 1 1 0101
0 1 0 1 0110
0 1 0 0 0111
1 1 0 0 1000
1 1 0 1 1001
1 1 1 1 1010
1 1 1 0 1011
1 0 1 0 1100
1 0 1 1 1101
1 0 0 1 1110
1 0 0 0 1111

∑B3 = (12,13,15,14,10,11,9,8) = G3
∑B2 = (4,5,6,7,8,9,10,11) = G2 ⊕ G3
∑B1 = (2,3,4,5,8,9,14,15) = G1 ⊕ G2 ⊕ G3
∑B0 = (1,2,4,7,8,11,13,14) = G0 ⊕ G1 ⊕ G2 ⊕ G3

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