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Keyboard
The board offers the possibility to connect two
kinds of MATRIX KEYBOARDS: 2x4 or 4x4.
Board
J4(up)
connector pinout
(2x4 version)
:
1 Column
0
2 Column
1
3 Line
3
4 Line
2
5 Line
1
6 Line
0
Board
J4(down)
connector pinout
(4x4 version)
:
1 Column
0
2 Column
1
3 Column
2
4 Column
3
5
Line
2
6
Line
3
7
Line
1
8
Line
0
The next scheme shows the position of each
key on the Keyboard (useful for the
configuration).
A
B
C
D
A
B
E
F
G
H
E
F
I
J
I
J
K
L
M
N
M
N
O
P
Column:
0
1
2 3
0
1
Lin
e:
0
1
2
3
Connector
Connector
FMod-IPAXESCTRL User Manual v.1.1