CMI9761A 데이터 시트보기 (PDF) - Unspecified

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CMI9761A

6 Channel AC’97 2.3 Audio Codec

Unspecified 

CMI9761A/9761A+ DataSheet

2004/02/09, Rev 1.2

5.3 Digital I/O

These signals are digital inputs and outputs of CMI9761A/9761A+

that includes S/PDIF I/O and GPIO.

Pin No Signal Name Type

Description

Headphone ON detection / General

45 HP_ON/GPIO0 I/O

Purpose I/O #0

Clock source selection / General

46 XTLSEL/GPIO1 I/O

Purpose I/O #1

External Amplifier Power Down or

47 EAPD/SPDIFI I/O

S/PDIF input

48 SPDIFO

O S/PDIF output

5.4 Analog I/O

These signals connect CMI9761A/9761A+ to analog sources and sinks,

including microphones and speakers.

Pin No Signal Name Type

Description

12 PCBEEP

I Analog PCBEEP input

14 AUX_IN_L

I Aux input left channel

15 AUX_IN_R

I Aux input right channel

18 CD_L

I CD audio input left channel

19 CD_C

I CD audio common channel

20 CD_R

I CD audio input right channel

21 MIC1

Stereo microphone left channel /

I/O

Alternative center channel output

22 MIC2

Stereo microphone right channel /

I/O

Alternative LFE channel output

23 LINE_IN_L

Line-In input left channel /

I/O

Alternative rear output left channel

24 LINE_IN_R

Line-In input right channel /

I/O

Alternative rear output right channel

33 FMIC_R

Front panel stereo microphone right

I

channel

34 FMIC_L

Front panel stereo microphone left

I

channel

35 LINEOUT_L

O Line output left channel

36 LINEOUT_R

O Line output right channel

39 REAROUT_L O Dedicated rear output left channel

Copyright 2003-2004 © C-Media Electronics Inc.

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