Audio Input / Output Pin Header (Cn10); Front Panel Pin Header (Fp1 & Fp2); Table 22: Pin Assignment Cn10; Table 23: Pin Assignment Fp1 - Kontron 3.5"-SBC-WLU User Manual

7.7. Audio Input / Output Pin Header (CN10)

The audio input / output pin header provides audio output (Line-Out), audio input (Line-In) and microphone (Mic-In)
signals through the 12-pin 2.54 mm pitch wafer CN10. The audio output signals are shared with those of the speaker
connectors CN11 & CN20.

Figure 17: Audio Input / Output Pin Header CN10

Table 22: Pin Assignment CN10

Pin Signal
1 MIC-In_L
2 MIC-In_R
3 MIC-In_JD#
4 GND
5 Line-In_L
6 Line-In_R
7 Line-In_JD#
8 GND
9 Line-Out_L
10 Line-Out_R
11 Line-Out_JD#
12 GND
7.8. Front Panel Pin Header (FP1 & FP2)
The 8-pin 2.54 mm pitch front panel pin header FP1 supplies signals for the reset button, storage LED and system
warning speaker.
The 10-pin 2.54 mm pitch front panel pin header FP2 supplies signals for the power button, power LED, and SM Bus.

Figure 18: Front Panel 1 Pin Header FP1

Table 23: Pin Assignment FP1

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Description
Microphone input left channel signal
Microphone input right channel signal
Microphone jack detection
Ground
Audio input left channel signal
Audio input right channel signal
Audio input jack detection
Ground
Audio output left channel signal
Audio output right channel signal
Audio output jack detection
Ground
RSTBTN
HLED
1 2
11 12
+ 1 2 +
-
SPKR
+
8
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3.5"-SBC-WLU - User Guide, Rev. 1.0
Note
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