Contents
1
1.1
1.2
1.3
1.4
1.5
2
2.1
2.2
2.3
2.4
3
3.1
Overview...............................................1
Introduction ............................................................................................... 2
Safety Precautions .................................................................................... 2
Accessories............................................................................................... 3
1.4.1
General ......................................................................................... 3
1.4.2
System Hardware ......................................................................... 3
1.4.3
I/O Interfaces ................................................................................ 4
1.4.4
Environment.................................................................................. 4
1.4.5
Certification ................................................................................... 4
1.5.1
Dimensions ................................................................................... 4
Figure 1.1 UNO-238 Dimensions................................................. 4
Introduction ............................................................................................... 6
Figure 2.1 Key components locations of UNO-238 (Top Side).... 6
Figure 2.2 Key components locations of UNO-238 (Bottom Side)
6
Table 2.1: Key components, Connectors on Board..................... 7
Figure 2.3 Front I/O of UNO-238 ................................................ 7
Figure 2.4 Right I/O of UNO-238 ................................................ 8
Figure 2.5 Rear I/O of UNO-238.................................................. 8
2.2.1
Power Connector .......................................................................... 8
2.2.2
2.2.3
USB Connector ............................................................................. 8
2.2.4
2.2.5
HDMI Connector ........................................................................... 9
2.2.6
COM Connector ............................................................................ 9
Table 2.2: COM Connector Pin Assignments.............................. 9
2.2.7
GPIO Connector ........................................................................... 9
Table 2.3: GPIO Connector Pin Assignments ............................. 9
2.2.8
Audio Connector ......................................................................... 10
Table 2.4: Audio Connector Pin Assignments ........................... 10
Figure 2.6 Key components locations of UNO-238 (Top Side).. 10
Figure 2.7 Key components locations of UNO-238 (Bottom Side)
11
Table 2.5: Key components, Connectors on Board................... 11
2.3.1
M.2 Connector ............................................................................ 11
2.3.2
Nano SIM Slot............................................................................. 12
Others ..................................................................................................... 12
Figure 2.8 LED Indicator, Power Button, and Antenna Hole ..... 12
2.4.1
LED Indicators ............................................................................ 12
2.4.2
Power button............................................................................... 12
2.4.3
Antenna Hole .............................................................................. 12
........................................13
Chassis Grounding.................................................................................. 14
Figure 3.1 Chassis Grounding Connection................................ 14
xi
UNO-238 User Manual