Headphone/Speaker Connector (J29); Spdif-Out Connector (J30); Table 18: Pin Assignment Speaker Connector (J29); Table 19: Pin Assignment Spdif-Out Connector (J30) - Kontron mITX-SKL-H User Manual

8.5. Headphone/Speaker Connector (J29)

The mITX-SKL-H headphone interface is available through the 4-pin connector (J29). This output is shared with the
speaker audio jack connector (J6, green).

Figure 14: Speaker Connector

Table 18: Pin Assignment Speaker Connector (J29)

Pin Signal
1
GND
2
HPOUT-L
3
GND
4
HPOUT-R
Signal Description
Signal Description
HPOUT-L
Headphone output left
HPOUT-R
Headphone output right
GND
Power Supply GND signal

8.6. SPDIF-OUT Connector (J30)

The mITX-SKL-H digital audio interface (electrical SPDIF-Out) is available through the 2-pin connector (J33) and can
be used to implement eight (7.1) High Definition audio channels. The audio interface is based on a high fidelity 8-
channel HD audio codec that is compatible with the Intel HD Audio specification and provides:
 Stereo 24-bit resolution
 Up to 192 kHz sample rate for DACs/ADCs
 Maximum Signal-to-Noise Ratio (SNR) of 90 dB
 16/20/24-bit S/PDIF TX outputs supporting 48 K/96 K/44.1 K/88.2 KHz sample rates

Figure 15: SPDIF-OUT Connector

Table 19: Pin Assignment SPDIF-OUT Connector (J30)

Pin Signal
1
SPDIF_OUT
2
GND
Signal Description
Signal Description
SPDIF_OUT
Sony/Philips Digital Interface (SPDIF) audio output signal
GND
Power Supply GND signal
1 2
Type Note
PWR
AO
PWR
AO
1
Type Note
O-3.3
PWR
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3 4
2
mITX-SKL-H – User Guide, Rev.1.1
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