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Páginas: 5 (1046 palabras) Publicado: 3 de diciembre de 2012
SUMADOR Y RESTADOR

Para la Suma:
Numero | Control | Salida después de sumar | Para el display de 7SEG-BCD-GRN | Comentario |
| | | Decenas | Unidades | |
N | C | C4 | S3 | S2 | S1 | S0 | D | C | B | A | D | C | B | A | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | A la salida no se le suma nada. |
1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
2| 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | |
4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
5 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
6 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | |
7 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
8 | 0 | 0 |1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
9 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | |
10 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | A la salida se le suma 6: 0110 |
11 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
12 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | |
13 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |1 | 1 | |
14 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | |
15 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
16 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | |
17 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | |
18 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | |
19 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |1 | |
20 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | A la salida se le suma 12: 1100 |
21 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
22 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
23 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | |
24 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | |
25 | 0 | 1 | 1 | 0 | 0 | 1 | 0| 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
26 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | |
27 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | |
28 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | |
29 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
30 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | Suma 18. |

10≤f0<20:C.C4+S3.S1+S3.S2
20≤f1<30: C.C4.S2+C.C4.S3
f2=30: C.C4.S3.S2.S1
Para el sumador
| C | B | A | | | | | |
Numero | f2 | f1 | f0 | B3 | B2 | B1 | B0 | Comentario |
<10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Mas 0 |
<20 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | Mas 6 |
<30 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | Mas 12 |
=30 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | Mas 2 |

Para el númeroigual a 30 se debe sumar 18, solo que el sumador es hasta 15, pero da igual solo para el 30.

Para B3:
| A | A | A |
B | | | X | X |
B | X | 1 | | X |
| C | C |

B.C
f1.f2

Para B2:
| A | A | A |
B | | 1 | X | X |
B | X | 1 | | X |
| C | C |
C.A
f2.f0

Para B1:
| A | A | A |
B | | 1 | X| X |
B | X | | 1 | X |
| C | C |
B.A+C
f1.f0+f2



Para las decenas en el display:
| C | B | A | | | | | |
Numero | f2 | f1 | f0 | D | C | B | A | Se lee |
<10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
<20 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
<30 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 2 |
=30 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 3 |

Para A:
| A | A | A |
B| | 1 | X | X |
B | X | | 1 | X |
| C | C |
B.A+C
f1.f0+f2

Para B:
| A | A | A |
B | | | X | X |
B | X | 1 | 1 | X |
| C | C |
B
f1

Para la resta:
Control | Nº | Minuendo | Nº | Sustraendo | Complemento a dos | La resta | Comentario |
| | D | C | B | A | | D | C | B | A | D | C | B | A | C4 | S3 | S2 | S1 | S0 | |
1 | 0 | 0...
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