ARK-2120 User Manual
16
2.3.1.3
Audio Connector
ARK-2120 offers stereo audio ports by three phone jack connectors of Line_Out,
Line_In, Mic_In. The audio chip is controlled by ALC892, and it’s compliant with Aza-
lea standard.
Figure 2.7 Audio connector
2.3.1.4
DIO Connector
ARK-2120F provides one phoenix 10-pin male connectors and ARK-2120L provides
one DSUB 9-pin female connectors, which offer Digital Input/Output communication
interface. If client wants to use DIO, please find the pin assignment as following.
ARK-2120L
Figure 2.8 DIO Connector (ARK-2120L)
Table 2.4: Audio Connector Pin Assignments
Pin
Audio Signal Name
1
Mic_In
2
Line_Out
3
Line_In
Table 2.5: DIO Connector Pin Assignments (ARK-2120L)
Pin
Signal Name
1
DIO bit0
2
DIO bit1
3
DIO bit2
4
DIO bit3
5
DIO bit4
6
DIO bit5
7
DIO bit6
8
DIO bit7
9
GND
1
5
9
6
3
2
4
7 8
Summary of Contents for ARK-2120
Page 1: ...User Manual ARK 2120 Fanless Embedded Box PC...
Page 8: ...ARK 2120 User Manual viii...
Page 12: ...ARK 2120 User Manual xii...
Page 13: ...Chapter 1 1 General Introduction This chapter gives background information on ARK 2120 series...
Page 20: ...ARK 2120 User Manual 8...
Page 38: ...ARK 2120 User Manual 26...
Page 39: ...Chapter 3 3 BIOS Settings...
Page 57: ...Appendix A A Watchdog Timer Sample Code...
Page 59: ...47 ARK 2120 User Manual Appendix A Watchdog Timer Sample Code...