VT1612A主板声卡芯片

1、SYNC BIT_CLK SDATA_OUT SDATA_IN RESET#VO MUT VO MUT VOMUT VO MUT VOMUT VO MUT VO MUT VO DACVOMUTS+20dB SMAS-TERMONO VOL-SMAS-TER INPUTOSCAC 97Digital In terfaceVIDEO AUX MIC1MIC2PC_BEEP PHONECD LINE XTL_IN XTL_OUTPCM INLINE_OUTMONO OUTADCSM U M UM U X 3DMAS-TERSRCLNL/HP_OUTSRCS/PDIF_OUTFRONT PCM OUT

2、M UHP AMP02h04hLINE_OUT_R LINE_OUT_L NC CAP2DVCC1XTL_IN XTL_OUTDGND2DGND1SDATA_OUTBIT_CLK NC AFLT2AFLT1SDATA_INDVCC2SYNC RESET#NC VREF_OUT VREF AGND1S P D I F _O U TH P PN CA G N D 2L N L /H P _O U T _RI D 1N CL N L /H P _O U T _LA V C C 2P H O N EA U X _LA U X _RC D _G N DV I D E O _LV I D E O _RC

3、D _LC D _RM I C 1L I N EN _L12347653635343332891011313029282726484746454443424140393813141516191817212223M O N O _O U T 37AVCC125L I N EN _R24PC_BEEP12框图VT1612A是台式机主板的声卡芯片。VT1612A的内部电路VT1612A的针脚封装图VT1612ALINE INPUTS23LINE LEVEL OUTPUTSLINEN_L 1 f241 尸 CD INPUTS 181 尸 191 F VIDEO INPUTS201 忻 161 FAUX

4、ILIARYINPUTS171 诉 141 F151 诉 211 FMIC2IN221诉131尸PHONE MIC1INLINE_IN_R CD_L CD_GND CD_R VIDEO_L VIDEO_RAUX_LAUX_RMIC1MIC2PHONE 120.1 FPC BEEPPC_BEEP2.7 nF4.7k ?47k35 1尸1nF47k ?1k ?LINE_OUT_L36 1 忻 1nF47k ?1k ?LINE _OUT_RMONO OUTPUT371 诉 1nF47k ?1k ?MONO_OUT VREFCAP20.1 疗10尸32 270pF NPO AFLT2AFLT130DG

5、ND2AGND1AGND2DGND1DVCC1AVCC1DVCC2AVCC2XTL_IN XTL_OUT322pF22pF224.576MHz46ID1ID045SYNC BIT_CLK SDATA_OUT SDATA_IN RESET#742642SYNC BIT_CLK SDATA_OUT SDATA_IN RESET#1065811Master Codec Select 0.1 F10尸0.1 F10尸0.1 F10尸0.1 f10尸1925385V AVCC3.3V DVCC270pF NPO29VT1612ADC '9727A V C C39LNL/HP_OUT_L41LNL/HP_OUT_REAPD 470.1 F10 尸 SPDIF_OUT 483.3V DVCCVREFOUT28110?220?RCA coaxial