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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8976 датащи(PDF) 95 Page - Wolfson Microelectronics plc |
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WM8976 датащи(HTML) 95 Page - Wolfson Microelectronics plc |
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95 / 108 page  Pre-Production WM8976 w PP Rev 3.0 April 2006 95 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 46 (2Eh) 8:0 00001000 0 Reserved 8 PGA BOOSTL 1 Boost enable for 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 6:4 L2_2 BOOSTVOL 000 Controls the L2 pin to the 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 47 (2Fh) 2:0 AUXL2 BOOSTVOL 000 Controls the auxilliary amplifer to the 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) 8:0 10000000 0 Reserved 8:7 00 Reserved 6 DACL2RMIX 0 Left DAC output to right output mixer 0 = not selected 1 = selected Analogue Outputs 5 DACR2LMIX 0 Right DAC output to left output mixer 0 = not selected 1 = selected Analogue Outputs 4 OUT4 BOOST 0 0 = OUT4 output gain = -1; DC = AVDD / 2 1 = OUT4 output gain = +1.5 DC = 1.5 x AVDD / 2 Analogue Outputs 3 OUT3 BOOST 0 0 = OUT3 output gain = -1; DC = AVDD / 2 1 = OUT3 output gain = +1.5 DC = 1.5 x AVDD / 2 Analogue Outputs 2 SPKBOOST 0 0 = speaker gain = -1; DC = AVDD / 2 1 = speaker gain = +1.5; DC = 1.5 x AVDD / 2 Analogue Outputs 1 TSDEN 1 Thermal Shutdown Enable 0 : thermal shutdown disabled 1 : thermal shutdown enabled Analogue Outputs 49 (31h) 0 VROI 0 VREF (AVDD/2 or 1.5xAVDD/2) to analogue output resistance 0: approx 1k Ω 1: approx 30 k Ω Analogue Outputs |
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