TLC320AD90 Datasheet, PDF (11/51 Pages) Texas Instruments – Stereo Audio Codec

MIC1
27
MIC2
28
MONO_OUT 49
PC_BEEP
18
I Desktop (primary) microphone input. MIC1 connects to the microphone jack.
I Second microphone input. MIC2 connects to the headset microphone jack.
O
Mono output. MONO_OUT is generally used to drive a telephony subsystem (and/or
speakerphone card). Will drive 600Ω load.
I
PC speaker beep pass through. PC_BEEP connects to the output of the PC
speaker.
1–5