Intel 8253 - Page 205

Ideal Transfer Characteristic
Output Code
Best Straight Line
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8-8
0000
0110
0101
0100
0011
0010
0001
0111
1001
1101
1100
1010
1011
1000
1111
1110