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6.2
Pin Assignment and Description
6.2.1
Photo
JP2 Connector
(5-wire Touch
screen interface)
6.2.2
Combo
Interface
Descriptions
The combo interface connector, USB and RS-232, is a box 2.0mm 10-pins 90
degree, Male type with lock connector, intended to be used with single wired pins in
5+5 pins header. The pins are numbered as shown in the table below.
J1
USB
Signal
Pin#
Name
1
G
2
V
3
G
4
D+
5
D-
Signal
DB-9 pin # RS-232 pin # Sourced by
Name
RxD
2
TxD
3
6.2.3
Connectors and Pin Definitions
The connector configuration permits the controller to be placed in-line between the
touch screen and serial I/O attachments.
6.2.4
USB, Serial connector, and Signal Descriptions
The serial and USB I/O connector, J1/J6 is a 5-pins header (2.0mm pitch). Refer to
the following figure for pin number locations.
LED
Connector,
Signal Function
Ground
USB Power
Ground
USB D+
USB D-
5
ctlr
4
host
JP1,
Pins
J6
RS-232
Signal
Pin#
Name
1
G
2
V
3
G
4
TxD
5
RxD
Signal Description
serial data from controller to host
serial data from host to controller
27
IDK-1112R User Manual
JP1 Connector
(USB&RS-232
Combo Interface)
and
Signal
Signal Function
Ground
Power
Ground
Serial Port
Serial Port
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