Rev 2.0
Page 31 of 164
Generic Qseven Carrier Board Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Figure 4: UART0 header
Table 4: UART0 header Pin Outs
Pin No
Pin Name
Signal Type
Voltage Level/
Termination
Description
1
V_BCKUP
Power
3V
RTC battery voltage Input from RTC
battery.
2
3.3V_MAIN
Power
3.3V
Input voltage.
3
GND
Power
0V
Ground.
4
UART_RXD
Input
3.3V CMOS
UART receive signal.
Connected to 177
th
Pin of Qseven
MXM Connector.
5
UART_TXD
Output
3.3V CMOS
UART transmit signal.
Connected from 171
st
Pin of Qseven
MXM Connector.
6
NC
NC
NC
NC.