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KTD-S0002-I Page 24 Audio Interface

pITX-SP User's Guide

11 Audio Interface

The chipset supports a HD audio codec with 24 bit resolution and 192 kHz sample rate. The interface inclu-

des LINE OUT, LINE IN, MICROPHONE IN and a digital S/PDIF output. The HD audio controller is a bus

mastering PCI device which is physically connected to one or more codecs via the HD audio link. It contains

one or more DMA engines. For signal levels see the H

igh Definition audio specification (Intel

11.1 Hardware Features

Parameter Values Units

Output resolution (LINE OUT, S/PDIF) 16/20/24 bit

Output sample rate (LINE OUT, S/PDIF) 44.1/48/96/192 kHz

Output signal-to-noise ratio (LINE OUT) 97 dB

Output current (S/PDIF)

12 @ 75Ω

Input resolution (LINE IN) 16/20 bit

Input sample rate (LINE IN) 44.1/48/96 kHz

Input signal-to-noise ratio (LINE IN) 90 dB

11.2 Analog Connector

The analog audio interface is available through the connector J2900 (6 pins). A prototype adapter cable

(open ended) is deliverable from KONTRON (KAB-SOUND-CMP-2, part number 96063-0000-00-1).

Header Pin Signal Name Function

1 LINE_OUT_R Line output right

2 GND Ground

3 LINE_OUT_L Line output left

4 LINE_IN_R Line input right

5 MIC_IN Microphone input

6 LINE_IN_L Line input left

11.3 Digital Connector (S/PDIF)

The digital audio output is available through the connector J2901 (2 pins).

Header Pin Signal Name Function

1 GND Ground

2 SPDIF_OUT S/PDIF output

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