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| A B C D E www..com +3.3V +5VA 4 4 C3 Y1 C1 12pf 24.576 MHz C2 12 pf 2 3 10U + C4 0.1U 25 38 1 9 C17 0.1U + C18 10U U4 LOUT-L LOUT-R MONO-O XTL-IN XTL-OUT AVDD AVDD VDD VDD LINEOUT-L LINEOUT-R MONO-OUT VREF VREFOUT 35 36 37 27 28 29 30 31 32 33 34 43 44 45 46 47 48 39 40 41 C23 1n C24 1n C22 0.1U C21 4.7U C20 + 0.1U + C19 4.7U Rs BITCLK 22 AC97RSTSYNC SDOUT SSDIN PCSPK PHONE AUX-L AUX-R VIDEO-L VIDEO-R CD-L CD-R MIC1 LINE-L LINE-R C5 C8 C11 C6 AC97RSTSYNC SDOUT SDIN critical path SiS630: Rs=22 Intel & VIA: Rs=0 11 6 10 5 8 12 13 14 15 16 17 18 20 21 22 23 24 RESET# BITCLK SYNC SDOUT SDIN PC-BEEP PHONE AUX-L AUX-R VIDEO-L VIDEO-R CD-L CD-R MIC1 MIC2 LINEIN-L LINEIN-R ALC100/ALC100P AFILT1 AFILT2 C7 C9 C10 C12 C13 C14 C15 3 AFILT3/CAP1 CAP2 M-VREF/CAP3 M-AFILT/CAP4 HXAN/CAP5 HXAP/CAP6 ID0#/TXAN/CAP7 ID1#/TXAP/CAP8 EAPD/RXAN/CAP9 RXAP/CAP10 TRUEOUT-L/CAP11 CAP12 TRUEOUT-R/CAP13 CD-GND AGND AGND C26 1U 3 TRUE-LOUT-L TRUE-LOUT-R 1U GND GND 19 C5 ~ C16 should be as closed as AC97, the part value is 1uf 26 42 4 7 C16 CDGND 1U Digital and Analog ground should be short 2 2 1 1 Avance Logic, Inc. Title ALC100 circuit Primary Codec Sheet E Size Document Number Custom Date: A B C D Rev A 3 of 6 Thursday, May 17, 2001 A B C D E www..com MIC circuit R 4.7K PH1 1 2 3 4 5 PHONEJACK MIC1 Ce 680P R MIC1 10k C 1000p Vref_out 4 4 Reserved, default open Line-In circuit PH2 1 2 3 4 5 PHONEJACK LINE IN Ce 680P Ce 680P R 5K RL 200 200 LINE-R LINE-L Rp 200K Rp 200K J6 CON4 1 2 3 4 3 RR PC-BEEP In 3 PC-SPK AGND IOGND PCSPK CD-In circuit J2 1 2 3 4 2 C 100n RL RR 200 200 Rp CDGND R62 200K CDGND 200K R 5K CD-L CD-R 2 IDE(Molex-4) CD AUDIO IN RG 200 Rp 200K *Ce capacitor is used for EMI issue *RL,RR are used to restrict current, and reduce noise VIDEO, AUX In circuit J3 1 2 3 4 1 *Rp is used for impedence match RL RR 200 VIDEO-L 200 VIDEO-R 1 *CDGND treated as input signal, not direct grounded IDE(Molex-4) VIDEO IN Rp 200K Rp 200K AVANCE LOGIC, I NC. Title AC97 input circuits Rev A Sheet E Size Document Number Custom Date: A B C D Thursday, May 17, 2001 5 of 6 PRELIMINARY A B C D E www..com LINE-OUT, TRUE-LINE-OUT 4 4 C LOUT-R LOUT-L C 1U RL 0 RR 0 Rp 200K Rp 200K PH 1 2 3 4 5 PHONEJACK OUT1 Ce 680P Ce 680P 1U *RL,RR (0~1k) are used to restrict current, and reduce noise IOGND 3 3 RL TRUE-LOUT-R TRUE-LOUT-L C 1U C 1U RR 0 Rp 200K Rp 200K 0 PH 1 2 3 4 5 PHONEJACK OUT2 Ce 680P Ce 680P IOGND 2 2 1 1 Title AC97 output circuit Rev A Sheet E Size Document Number Custom A B C D Thursday, May 17, 2001 6 of 6 |
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