CMI9761A Datasheet, PDF (12/23 Pages) List of Unclassifed Manufacturers – C-Media CMI9761A / 9761A+ 6 Channel AC97 2.3 Audio Codec

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.
Page 10