CP302
Functional Description and Configuration
ID 21112, Rev. 05
Page 2 - 14
®
PEP Modular Computers GmbH
2.6 Board Interfaces
2.6.1
Keyboard/Mouse Interface
The onboard keyboard controller is 8042 software compatible.
Figure 2-5: Keyboard/Mouse Connector
The PC/AT standard keyboard/mouse connector is a PS/2-type
6-pin shielded mini-DIN connector. The keyboard power supply unit
is protected by a 500 mA fuse. All signal lines are EMI-filtered.
A special adapter to connect a mouse device and/or a keyboard to
the PS/2 connector ia available from PEP
2.6.1.1
Keyboard Connector CON4 Pinout
The CP302 has the AT keyboard connector implemented on a 6-pin Mini-Din connector.
A special adapter to connect a mouse device and/or keyboard to the PS/2 connector is
available from PEP.
Table 2-4: Keyboard Connector CON4 Pinout
Pin
Name
Function
In/Out
1
KDATA
Keyboard data
In/Out
2
MDATA
Mouse data
In/Out
3
GND
Ground signal
--
4
VCC
VCC signal
--
5
KCLK
Keyboard clock
Out
6
MCLK
Mouse clock
Out
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Note:
The keyboard power supply is protected with a fuse (500mA) and
all the signal lines are EMI-filtered.
4
6
5
2
1
3
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