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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) 31 Page - Wolfson Microelectronics plc |
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WM8985GEFL/R датащи(HTML) 31 Page - Wolfson Microelectronics plc |
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31 / 121 page  Production Data WM8985 w PD, Rev 4.6, July 2009 31 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R45 (20h) Left channel input PGA volume control 5:0 INPPGAVOLL 010000 (0dB) Left channel input PGA volume 000000 = -12dB 000001 = -11.25db . 010000 = 0dB . 111111 = +35.25dB 6 INPPGAMUTEL 0 Mute control for left channel input PGA: 0 = Input PGA not muted, normal operation 1 = Input PGA muted (and disconnected from the following input BOOST stage). 7 INPPGAZCL 0 Left channel input PGA zero cross enable: 0 = Update gain when gain register changes 1 = Update gain on 1st zero cross after gain register write. 8 INPPGAVU Not latched INPPGA left and INPPGA right volume do not update until a 1 is written to INPPGAVU (in reg 45 or 46) (See "Volume Updates" below) R46 (2Eh) Right channel input PGA volume control 5:0 INPPGAVOLR 010000 (0dB) Right channel input PGA volume 000000 = -12dB 000001 = -11.25db . 010000 = 0dB . 111111 = +35.25dB 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). 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. 8 INPPGAVU Not latched INPPGA left and INPPGA right volume do not update until a 1 is written to INPPGAVU (in reg 45 or 46) (See "Volume Updates" below) R32 (20h) ALC control 1 8:7 ALCSEL 00 ALC function select: 00 = ALC off 01 = ALC right only 10 = ALC left only 11 = ALC both on Table 7 Input PGA Volume Control |
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