4x3 NUMERIC KEYPAD
C3 |
C2 |
C1 |
C0 |
R3 |
R2 |
R1 |
R0 |
KEYPRESSED |
SCAN CODE |
ASCII |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
EEH |
31H |
1 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
4 |
EDH |
34H |
1 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
7 |
EBH |
37H |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
* |
E7H |
2AH |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
2 |
DEH |
32H |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
5 |
DDH |
35H |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
8 |
DBH |
38H |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
D7H |
30H |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
3 |
BEH |
33H |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
6 |
BDH |
36H |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
9 |
BBH |
39H |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
1 |
# |
B7H |
23H |
4x4 NUMERIC KEYPAD
C3 |
C2 |
C1 |
C0 |
R3 |
R2 |
R1 |
R0 |
KEYPRESSED |
SCAN CODE |
ASCII |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
EEH |
30H |
1 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
4 |
EDH |
34H |
1 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
8 |
EBH |
38H |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
C |
E7H |
43H |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
DEH |
31H |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
5 |
DDH |
35H |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
9 |
DBH |
39H |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
D |
D7H |
44H |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
2 |
BEH |
32H |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
6 |
BDH |
36H |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
A |
BBH |
41H |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
1 |
E |
B7H |
45H |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
3 |
7EH |
33H |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
7 |
7DH |
37H |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
B |
7BH |
42H |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
F |
77H |
46H |
4x4 NUMERIC KEYPAD
C3 |
C2 |
C1 |
C0 |
R3 |
R2 |
R1 |
R0 |
KEYPRESSED |
SCAN CODE |
ASCII |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
EEH |
30H |
1 |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
4 |
EDH |
34H |
1 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
7 |
EBH |
38H |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
1 |
Back Space |
E7H |
43H |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
2 |
DEH |
31H |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
5 |
DDH |
35H |
1 |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
8 |
DBH |
39H |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
D7H |
44H |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
3 |
BEH |
32H |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
6 |
BDH |
36H |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
9 |
BBH |
41H |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
1 |
Dot |
B7H |
45H |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
Up-Arrow |
7EH |
33H |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
Down-Arrow |
7DH |
37H |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
MEM |
7BH |
42H |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
SEND |
77H |
46H |
C: Coulomb;
R: Row;