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SC7313 Datasheet(PDF) 9 Page - Silan Microelectronics Joint-stock |
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SC7313 Datasheet(HTML) 9 Page - Silan Microelectronics Joint-stock |
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9 / 13 page ![]() Silan Semiconductors SC7313 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.1 2002.02.26 9 2. Chips address 1 (MSB) 000 100 0 (LSB) 3. Data bytes MSB LSB Function 0 0 B2 B1 B0 A2 A1 A0 Volume Control 1 1 0 B1 B0 A2 A1 A0 Speaker ATT LR 1 1 1 B1 B0 A2 A1 A0 Speaker ATT RR 1 0 0 B1 B0 A2 A1 A0 Speaker ATT LF 1 0 1 B1 B0 A2 A1 A0 Speaker ATT RF 0 1 0 G1 G0 S2S1S0 Audio switch 0 1 1 0 C3 C2 C1 C0 Bass control 0 1 1 1 C3 C2 C1 C0 Treble control Note: Ax=1.25dB steps;Bx=10dB steps;Cx=2dB steps;Gx=3.75dB steps DETAILED DESCRIPTION OF DATA BYTES 1. Volume MSB LSB Function 0 0 B2 B1 B0 A2 A1 A0 Volume 1.25dB steps 000 0 001 -1.25 010 -2.5 011 -3.75 100 -5 101 -6.25 110 -7.5 111 -8.75 0 0 B2 B1 B0 A2 A1 A0 Volume 10dB steps 000 0 001 -10 010 -20 011 -30 100 -40 101 -50 110 -60 111 -70 For example, a volume of –45dB is given by: 00100100 |
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