Rev 2.0
Page 69 of 164
Generic Qseven Carrier Board Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
32
GND6
Power
0V
Ground.
33
R2
Output
3.3V CMOS
Display Red Data 4.
34
R1
Output
3.3V CMOS
Display Red Data 3.
35
R0
Output
3.3V CMOS
Display Red Data 2 (LSB+2).
36
GND7
Power
0V
Ground.
37
DCLK
Output
3.3V CMOS
Display Clock.
38
GND8
Power
0V
Ground.
39
L/R
Output
3.3V CMOS
Left or Right Scanning Direction.
40
U/D
Output
3.3V CMOS
Up or Down Scanning Direction.
Qseven Generic Carrier Board supports on board Resistive Touch Controller MAX1 (from
Maxim Integrated) to support touch interface. This touch controller is connected to I2C interface of
Qseven MXM connector (66th and 68th Pin).
Table 24: Resistive Touch Connector Pin Out
Pin
No
Pin Name
Signal Type
Voltage Level/
Termination
Description
1
Y1
Input
Analog
Touch Left Signals.
2
X2
Input
Analog
Touch Up Signals.
3
Y2
Input
Analog
Touch Right Signals.
4
X1
Input
Analog
Touch Down Signals.
Note
: Optionally these touch signals are directly connected to Expansion Connector-2 (J9) through
resistor and default not populated
.
