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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8985GEFL/R датащи(PDF) 107 Page - Wolfson Microelectronics plc |
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WM8985GEFL/R датащи(HTML) 107 Page - Wolfson Microelectronics plc |
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107 / 121 page  Production Data WM8985 w PD, Rev 4.6, July 2009 107 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 46 (2Eh) 8 INPPGAU N/A INPPGAVOLL and INPPGAVOLR volume do not update until a 1 is written to INPPGAUPDATE (in reg 45 or 46) Input Signal Path 7 INPPGAZCR 0 Right channel input PGA zero cross enable: 0=Update gain when gain register changes 1=Update gain on 1st zero cross after gain register write. Input Signal Path 6 INPPGAMUTER 0 Mute control for right channel input PGA: 0=Input PGA not muted, normal operation 1=Input PGA muted (and disconnected from the following input BOOST stage). Input Signal Path 5:0 INPPGAVOLR 010000 Right channel input PGA volume 000000 = -12dB 000001 = -11.25db . 010000 = 0dB . 111111 = +35.25dB Input Signal Path 47 (2Fh) 8 PGABOOSTL 1 Boost enable for left channel input PGA: 0 = PGA output has +0dB gain through input BOOST stage. 1 = PGA output has +20dB gain through input BOOST stage. Input Signal Path 7 0 Reserved. Initialise to 0 6:4 L2_2BOOSTVOL 000 Controls the L2 pin to the left channel input boost stage: 000=Path disabled (disconnected) 001=-12dB gain through boost stage 010=-9dB gain through boost stage … 111=+6dB gain through boost stage Input Signal Path 3 0 Reserved. Initialise to 0 2:0 AUXL2BOOSTVOL 000 Control omm. arylliary amplifer to the left channel input boost stage: 000=Path disabled (disconnected) 001=-12dB gain through boost stage 010=-9dB gain through boost stage … 111=+6dB gain through boost stage Input Signal Path 48 (30h) 8 PGABOOSTR 1 Boost enable for right channel input PGA: 0 = PGA output has +0dB gain through input BOOST stage. 1 = PGA output has +20dB gain through input BOOST stage. Input Signal Path 7 0 Reserved. Initialise to 0 6:4 R2_2BOOSTVOL 000 Controls the R2 pin to the right channel input boost stage: 000=Path disabled (disconnected) 001=-12dB gain through boost stage 010=-9dB gain through boost stage … 111=+6dB gain through boost stage Input Signal Path 3 0 Reserved. Initialise to 0 |
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