# contador analógico

Post on 03-Mar-2015

427 views

Category:

## Documents

1 download

Embed Size (px)

DESCRIPTION

Pequeño diseño que muestra en un display de 7 segmentos un numero deseado, usando compuertas lógicas.

TRANSCRIPT

Universidad Nacional Autnoma de Mxico

Nombre: Gmez Ceballos Arturo

Materia: Diseo de Sistemas Digitales

Proyecto: Nmero de cuenta en display digital

Semestre: 2012-1

Tabla de Verdad

A 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1

B 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1

C 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1

D 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1

a 1 1 1 1 1 0 0 1 1 * * * * * * *

b 1 1 0 1 1 1 1 0 1 * * * * * * *

c 1 1 1 1 1 1 1 1 1 * * * * * * *

d 1 1 1 1 1 0 0 1 1 * * * * * * *

e 0 1 1 0 1 0 0 0 0 * * * * * * *

f 0 1 1 0 1 1 1 1 0 * * * * * * *

g 1 0 1 1 0 1 1 1 1 * * * * * * *

1 = Encendido 0 = Apagado * = Dunker # Cuenta = 306304453 Funciones a(A,B,C,D) = m(0,1,2,3,4,7,8) b(A,B,C,D) = m(0,1,3,4,5,6,8) c(A,B,C,D) = m(0,1,2,3,4,5,6,7,8) d(A,B,C,D) = m(0,1,2,3,4,7,8) e(A,B,C,D) = m(1,2,4) f(A,B,C,D) = m(1,2,4,5,6,7) e(A,B,C,D) = m(0,2,3,5,6,7,8)

Mapas de Karnaugh Funcin: a(A,B,C,D) 00 00 01 11 10 1 1 * 1 01 1 0 * * 11 1 1 * * 10 1 0 * *

a(A,B,C,D) = |B + |C|D + CD Funcin: b(A,B,C,D)

00 00 01 11 10 1 1 * 1

01 1 0 * *

11 1 0 * *

10 0 1 * *

b(A,B,C,D) = |C + B|D + |BD Funcin: c(A,B,C,D)

00 00 01 11 10 c(A,B,C,D) = 1 1 1 * 1

01 1 1 * *

11 1 1 * *

10 1 1 * *

Funcin: d(A,B,C,D)

00 00 01 11 10 1 1 * 1

01 1 0 * *

11 1 1 * *

10 1 0 * *

d(A,B,C,D) = |B + |C|D + CD Funcin: e(A,B,C,D)

00 00 01 11 10 0 1 * 0

01 1 0 * *

11 0 0 * *

10 1 0 * *

e(A,B,C,D) = B|C|D+|B|CD+|BC|D Funcin: f(A,B,C,D)

00 00 01 11 10 0 1 * 0

01 1 1 * *

11 0 1 * *

10 1 1 * *

f(A,B,C,D) = B+|CD+C|D

Funcin: g(A,B,C,D)

00 00 01 11 10 1 0 * 1

01 0 1 * *

11 1 1 * *

10 1 1 * *

g(A,B,C,D) = C+|B|D+BD Diagrama

Simulacin (Proteus)

Material 2 Protoboards 1 Dip-Switch 4 Pines 1 Display 7-Segmentos (Ctodo Comn) 2 Compuertas 74LS04P 3 Compuertas 74LS08P 3 Compuertas 74LS32P 1 Compuerta 74LS86P 4 Resistencias 1K 8 Resistencias 330 [ohms] 1 [m] Cable UTP

Imagenes

Recommended