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5.2.2.2
Combo Interface Connector, JP1, Pins and signal 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.
USB
Signal
Pin #
Name
1
G
2
V
3
G
4
D+
5
D-
Signal
DB-9 pin #
Name
RxD
2
TxD
3
5.2.2.3
Touch Screen Connector, JP2, Pins and signal descriptions
The Touch Screen connector, JP2, is a single row by 2.54mm 5-pins 90 degree, Male
type connector. The pins are numbered as shown in the table below.
JP2
Signal Name
Pin #
1
H / UR
2
Y / UL
3
COM
4
X / LR
5
L / LL
Signal Function
Ground
USB Power
Ground
USB D+
USB D-
RS-232 pin #
Sourced by
5
ctlr
4
host
Figure 5.1 Board mounted header
Signal Description
Drive signal attached to the touchscreen substrate upper right
corner when viewed from a user's perspective.
Drive signal attached to the substrate upper left corner.
-
Drive signal attached to the substrate lower right corner.
Drive signal attached to the substrate lower left corner.
27
RS-232
Signal
Signal Function
Pin #
Name
1
G
Ground
2
V
Power
3
G
Ground
4
TxD
Serial Port
5
RxD
Serial Port
Signal Description
serial data from controller to host
serial data from host to controller
IDK-2112 User Manual
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