Chapter 6 Applied Instructions The following table shows the positive logic. The following table shows the latch. 6_ The following table shows the setting value of the parameter n . ‘ ＋ ’: Positive logic ‘ － ’: Negative logic You can edit the parameters in n to modify the logics for the output transistor and the input of the seven-segment display.
6-523 Binary-coded decimal value Output Signal (Binary-coded decimal code) b3 b2 b1 b0 8 4 2 1 A B C D 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 0 1 1 1 1 0 0 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 1 0 0 1 0 1 1 0 1 0 0 1 Positive logic Negative logic Latch Signal Latch Signal 1 0 0 1 Number of seven-segment One Two displays Output ＋ － ＋ － (Binary-coded decimal code) Latch ＋ － ＋ － ＋ － ＋ － n 0 1 2 3 4 5 6 7