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display de 7 segments
Electrònica digital
4t ESO
display de 7 segments: objectius
Codificació Taules de veritat Portes lògiques Simplificació amb mapes de Karnaugh Circuit amb portes lògiques Circuit amb decodificador binari-decimal
display de 7 segments
a
b
c
d
e
f
g
display de 7 segments
display de 7 segments:taula de veritat
0
1
2
3
4
5
6
7
8
9
Codi binari
D C B A
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
Segments display
a b c d e f g
1 1 1 1 1 1 0
0 1 1 0 0 0 0
1 1 0 1 1 0 1
1 1 1 1 0 0 1
0 1 1 0 0 1 1
1 0 1 1 0 1 1
1 0 1 1 1 1 1
1 1 1 0 0 0 0
1 1 1 1 1 1 1
1 1 1 1 0 1 1
Codi decimal
display de 7 segments:segment a
Codi binariSegment
aD C B A
0 0 0 0 1
0 0 0 1 0
0 0 1 0 1
0 0 1 1 1
0 1 0 0 0
0 1 0 1 1
0 1 1 0 1
0 1 1 1 1
1 0 0 0 1
1 0 0 1 1
BA
DC 00 01 11 10
00 1 0 1 1
01 0 1 1 1
11 X X X X
10 1 1 X X
DBCACAF ··
display de 7 segments:segment b
Codi binariSegment
bD C B A
0 0 0 0 1
0 0 0 1 1
0 0 1 0 1
0 0 1 1 1
0 1 0 0 1
0 1 0 1 0
0 1 1 0 0
0 1 1 1 1
1 0 0 0 1
1 0 0 1 1
BA
DC 00 01 11 10
00 1 1 1 1
01 1 0 1 0
11 X X X X
10 1 1 X X
DCBABAF ··
display de 7 segments: segment c
Codi binariSegment
cD C B A
0 0 0 0 1
0 0 0 1 1
0 0 1 0 0
0 0 1 1 1
0 1 0 0 1
0 1 0 1 1
0 1 1 0 1
0 1 1 1 1
1 0 0 0 1
1 0 0 1 1
BA
DC 00 01 11 10
00 1 1 1 0
01 1 1 1 1
11 X X X X
10 1 1 X X
CBAF
display de 7 segments: segment d
Codi binariSegment
dD C B A
0 0 0 0 1
0 0 0 1 0
0 0 1 0 1
0 0 1 1 1
0 1 0 0 0
0 1 0 1 1
0 1 1 0 1
0 1 1 1 0
1 0 0 0 1
1 0 0 1 1
BA
DC 00 01 11 10
00 1 0 1 1
01 0 1 0 1
11 X X X X
10 1 1 X X
DCBCBABACAF ·····
display de 7 segments: segment e
Codi binariSegment
eD C B A
0 0 0 0 1
0 0 0 1 0
0 0 1 0 1
0 0 1 1 0
0 1 0 0 0
0 1 0 1 0
0 1 1 0 1
0 1 1 1 0
1 0 0 0 1
1 0 0 1 0
BA
DC 00 01 11 10
00 1 0 0 1
01 0 0 0 1
11 X X X X
10 1 0 X X
CABAF ··
display de 7 segments: segment f
Codi binariSegment
fD C B A
0 0 0 0 1
0 0 0 1 0
0 0 1 0 0
0 0 1 1 0
0 1 0 0 1
0 1 0 1 1
0 1 1 0 1
0 1 1 1 0
1 0 0 0 1
1 0 0 1 1
BA
DC 00 01 11 10
00 1 0 0 0
01 1 1 0 1
11 X X X X
10 1 1 X X
DCBCABAF ···
display de 7 segments: segment g
Codi binariSegment
gD C B A
0 0 0 0 0
0 0 0 1 0
0 0 1 0 1
0 0 1 1 1
0 1 0 0 1
0 1 0 1 1
0 1 1 0 1
0 1 1 1 0
1 0 0 0 1
1 0 0 1 1
BA
DC 00 01 11 10
00 0 0 1 1
01 1 1 0 1
11 X X X X
10 1 1 X X
DCBCBBAF ···
display de 7 segments:funcions output
Segment a
Segment b
Segment c
Segment d
Segment e
Segment f
Segment g DCBCBBAF ···
CABAF ··
DBCACAF ··
DCBABAF ··
DCBCABAF ···
DCBCBABACAF ·····
CBAF
display de 7 segments
display de 7 segments
display de 7 segments
display de 7 segments
