Audio Codec '97

AC ‘97 Component Specification Revision 2.3 Rev 1.0
17
Pin Signal Name Type Description
12 Reserved /
PC_BEEP
I PC Beep if implemented as external input; otherwise, Reserved
13 PHONE I Speakerphone Input
14 AUX_IN_L I Aux Input Left Channel
15 AUX_IN_R I Aux Input Right Channel
16 VIDEO_L I Video Audio Input Left Channel
17 VIDEO_R I Video Audio Input Right Channel
18 CD_L I CD Audio Input Left Channel
19 CD_C I CD Audio Common
20 CD_R I CD Audio Input Right Channel
21 MIC1 I Primary Microphone Input
22 MIC2 I Secondary Microphone Input
23 LINE_IN_L I Line Input Left Channel
24 LINE_IN_R I Line Input Right Channel
35 LINE_OUT_L O Line Output Left Channel
36 LINE_OUT_R O Line Output Right Channel
37 MONO_OUT O Speakerphone Output or internal mono speaker output
39 AUX_OUT_L O Aux Output (LNLVL_OUT, 4CH_OUT or HP_OUT) Left Channel
40 AUX_OUT_C O Aux Output (LNLVL_OUT, 4CH_OUT or HP_OUT) Common or AVss
41 AUX_OUT_R O Aux Output (LNLVL_OUT, 4CH_OUT or HP_OUT) Right Channel
Table 5. Analog I/O Signal List