Intel VC820 Design Guide - Page 176
AC'97 Audio, AD1881
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8 7 6 5 4 3 2 1 AC'97 Audio VCC3_3 VCC12 VR2 MC78M05CDT D VCC5_AUDIO 13,14 D 0.1UF 0.1UF 0.1UF +5V 3 VCC5_AUDIO 13,14 1 VIN 1 GND 4 1 C77 C49 C21 C62 C48 No stuff C358. 2 0.1UF 2 0.1UF C358 0.1UF 10UF C57 + 10UF C83 + 1 2 L17 AGND AGND VCC3_3 AGND AGND AC97_SPKR R67 18 10K AC97_SPKR_R 0.1UF C76 R66 1K 0.1UF C85 U2 C C 43 NC43 44 NC44 40 NC40 26 AVSS1 25 AVDD1 42 AVSS2 38 AVDD2 9 DVDD2 7 DVSS2 1 DVDD1 4 DVSS1 1UF-TANT C70 2 1 + AC97_SPKR_C 12 PC_BEEP LINE_IN_R 14 24 LINE_IN_R LINE_IN_L 14 23 LINE_IN_L MIC_IN 14 21 MIC1 22 MIC2 CD_R 14 20 CD_R CD_L 14 18 CD_L CD_REF 14 19 CD_REF 17 VIDEO_R AD1881 RESET# 11 SDATA_OUT 5 SDATA_IN 8 SYNC 10 BIT_CLK 6 Series resistors are for test purposes only. PRI_DWN_RST#_R R31 AC_SDATAOUT_R 0K AC_SDATAIN_R R116 0K AC_SYNC_R 0K AC_BITCLK_R R56 0K 0K R77 R106 PRI_DWN_RST# 15 AC_SDATAOUT 9,15 AC_SDATAIN0 9,15 AC_SYNC 9,15 AC_BITCLK 9,15 VCC3_3 C63 MONO_PHONE 2 1 15 + 1UF-TANT C12 MONO_PHONE_C MONO_OUT 2 1 MONO_OUT_C 15 + 1UF-TANT 16 VIDEO_L 14 AUX_L 15 AUX_R 13 PHONE 37 MONO_OUT 36 LINE_OUT_R CS1 46 CS0 45 CHAIN_CLK 48 EAPD 47 C84 10PF No stuff C84. R29 100K No stuff B LNLVL_OUT_R 14 35 LINE_OUT_L 41 LNLVL_OUT_R B LNLVL_OUT_L 14 39 LNLVL_OUT_L EAPD 14 XTL_IN 2 XTL_OUT 3 VREFOUT 28 VREF 27 AC_VREF_C CX3D RX3D FILT_R FILT_L AFLIT2 AFILT1 34 CX3D_C 33 RX3D_C 31 FILT_R_C 32 30 29 AFILT1_C AFILT2_C FILT_L_C 1 1 C16 AUD_VREFOUT 14 AC_XTAL_IN AC_XTAL_OUT Y1 XTAL 1 2 24.576MHZ R28 100K No stuff 0.1UF 22PF C94 22PF C95 C17 2 2 1 A 2 A +C9 10UF-TANT 0.1UF C20 1UF-TANT +C1 270PF-NPO C18 1UF-TANT +C7 270PF-NPO C19 0.047UF AGND AGND TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD REV: AUDIO 1.01 R PCD PLATFORM DESIGN DRAWN BY: PROJECT: 1900 PRAIRIE CITY ROAD FOLSOM, CALIFORNIA 95630 LAST REVISED: SHEET: 11-18-1999_10:46 13 OF 36 8 7 6 5 4 3 2 1