Motorola APX 1000 Detailed Service Manual page 747

Theory of Operation
: Controller
Key
{
|
}
H
<
U
D
>
P
1
2
KEYPAD
Figure 3-31. Keypad Interface Outline
Table 3-7. Key Map Matrix
Row, Column Map
3
0 , 4
4
1 , 4
5
2 , 4
6
4 , 0
7
4 , 1
8
0 , 3
9
4 , 2
*
1 , 3
0
2 , 3
#
3 , 0
3 , 1
ROW
OMAP
COLUMN
Key Row, Column Map
3 , 2
2 , 0
2 , 1
2 , 2
1 , 0
1 , 1
1 , 2
0 , 0
0 , 1
0 , 2
3-43