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Location of the connectors
Connector list
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|
Number of pins
|
Description
|
|
K1
|
6
|
Standard AT/PS2 interface, output to PC
|
|
K2
|
4
|
Serial interface RS232C connexion (3-wire + 5 V
|
|
K3
|
6
|
Keyboard connexion, input for second keyboard
|
|
K4
|
2
|
External voltage supply
|
|
K5
|
8
|
Horizontal matrix connexion
|
|
K6
|
16
|
Vertical matrix connexion
|
|
K7
|
8
|
LED connexion
|
|
K8
|
2
|
External Piezo-connexion
|
Keyboard output AT/PS2 – pin assignment
|
No.
|
Name
|
Direction
|
Description
|
|
1
|
SUPPLY
|
Power
|
+5V Supply
|
|
2
|
GND
|
Power
|
Ground
|
|
3
|
PDATA
|
In/Out
|
Data
|
|
4
|
PCLK
|
In/Out
|
Clock
|
|
5
|
SHIELD
|
|
Shield
|
|
6
|
NC
|
|
|
Serial interface RS232 – pin assignment
|
No.
|
Name
|
Direction
|
Description
|
|
1
|
SUPPLY
|
Power
|
+5V Supply
|
|
2
|
GND
|
Power
|
Ground
|
|
3
|
RX232
|
In
|
Receive data
|
|
4
|
TX232
|
Out
|
Transmit data
|
Keyboard input for connexion of second keyboard – pin assignment
|
No.
|
Name
|
Direction
|
Description
|
|
1
|
SUPPLY
|
Power
|
+5V Supply
|
|
2
|
GND
|
Power
|
Ground
|
|
3
|
TDATA
|
In/Out
|
Data
|
|
4
|
TCLK
|
In/Out
|
Clock
|
|
5
|
SHIELD
|
|
Shield
|
|
6
|
NC
|
|
|
External voltage supply– pin assignment
|
No.
|
Name
|
Direction
|
Description
|
|
1
|
SUPPLY
|
Power
|
+5V Supply
|
|
2
|
GND
|
Power
|
Ground
|
Matrix connexion (ver. & hor.)– pin assignment
|
Connector No.
|
Pin No.
|
Name
|
|
5 (HOR.)
|
1
|
HA
|
|
5 (HOR.)
|
2
|
HB
|
|
5 (HOR.)
|
3
|
HC
|
|
5 (HOR.)
|
4
|
HD
|
|
5 (HOR.)
|
5
|
HE
|
|
5 (HOR.)
|
6
|
HF
|
|
5 (HOR.)
|
7
|
HG
|
|
5 (HOR.)
|
8
|
HH
|
|
6 (VER.)
|
1
|
V1
|
|
6 (VER.)
|
2
|
V2
|
|
6 (VER.)
|
3
|
V3
|
|
6 (VER.)
|
4
|
V4
|
|
6 (VER.)
|
5
|
V5
|
|
6 (VER.)
|
6
|
V6
|
|
6 (VER.)
|
7
|
V7
|
|
6 (VER.)
|
8
|
V8
|
|
6 (VER.)
|
9
|
V9
|
|
6 (VER.)
|
10
|
V10
|
|
6 (VER.)
|
11
|
V11
|
|
6 (VER.)
|
12
|
V12
|
|
6 (VER.)
|
13
|
V13
|
|
6 (VER.)
|
14
|
V14
|
|
6 (VER.)
|
15
|
V15
|
|
6 (VER.)
|
16
|
V16
|
Light-emitting diode connexion – pin assignment
|
No
|
Description
|
|
1
|
VCC (+5V)
|
|
2
|
Layer 1
|
|
3
|
Layer 2
|
|
4
|
Layer 3
|
|
5
|
Layer 4
|
|
6
|
Num Lock
|
|
7
|
Caps Lock
|
|
8
|
Scroll Lock
|
External Piezo-connexion– pin assignment
|
No.
|
Name
|
Direction
|
Description
|
|
1
|
VCC
|
Power
|
+5V Supply
|
|
2
|
Buzzer
|
Out
|
Buzzer signal
|
Mechanical fixing matrix keyboard controller „mtcon/1616-fp/W“
Mechanical fixing matrix keyboard controller „mtcon/0816-fp/W“
The above statements do not absolve our customers from testing the suitability for the intended area of application in each case. Our products are at any time subject to technical alterations without prior notice.
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