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STAC9752A Datasheet(PDF) 47 Page - Integrated Device Technology |
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STAC9752A Datasheet(HTML) 47 Page - Integrated Device Technology |
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47 / 106 page  STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK PC AUDIO IDT™ 47 STAC9752A/9753A V 1.5 1206 AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 6.1.1. Mixer Functional Diagrams Figure 21. STAC9752A/9753A 2-Channel Mixer Functional Diagram 6.1.2. Mixer Analog Input The mixer provides recording and playback of any audio sources or output mix of all sources. The STAC9752A/9753A supports the following input sources: • Any mono or stereo source • Mono or stereo mix of all sources • Two-channel input w/mono output reference (mic or stereo mix) Note: All unused inputs should be tied together and connected to ground through a capacitor (0.1 µF suggested). Note: The MIC inputs should be tied to ground through a separate capacitor (0.1 µF suggested). 6.1.3. Mixer Analog Output The mixer generates three distinct outputs: • A stereo mix of all sources for output to the LINE_OUT • A stereo mix of all sources for output to HP_OUT • A mono, mic only or mix of all sources for MONO_OUT 0Ah 0Ch 0Eh 10h 12h 16h PC_BEEP CD AUX 6Eh:D12 Analog Audio Input Sources PCMIn 20h:D13 22h:D2-D3 20h:D9,D15 MONO_OUT Slots 6Eh : D4-5 3&4, 7&8, 6&9, 10&11 vol 06h mute 37 Slot Select AC Link SDATA_OUT STEREO ADC 18,20 14,15 12 13 20h:D13 22h:D2-D3 +0 dB PHONE 30 dB Σ vol mute vol mute Σ mute vol vol vol mute mute vol mute 3D MUX vol mute Digital PCBeep 39/41 35/36 PINS 39/41 traditionally HP_OUT PINS 35/36 traditionally LINE_OUT HP LO 23/24 PINS 23/24 traditionally Line In L/R PINS 21/22 traditionally Mic 1/2 18h vol mute vol mute 02h vol mute 14h Mic Mux Line In Mux 28h:D5-D4 Slot Select DAC 1 (FRONT) 3D 0Eh:D6 & 6Eh:D2 Left Ch. Mic Right Ch. Mic L R L L R R 1Ch vol mute +22 dB -6dB Σ 78h D7 & 20h D8 16,17 VIDEO 04h -6dB Σ -6dB Σ -6dB Σ -6dB -6dB 78h D13:D12 78h D15:D14 78h D11:D10 78h D9:D8 78h D4 & 20h D15 78h D3 & 20h D15 Ifbothareselected, HPwillbeonand LineOutisOff 2Ah:D5-D4 Slot Select 48 SPDIF_OUT |
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