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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8978CGEFL/V датащи(PDF) 96 Page - Wolfson Microelectronics plc |
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WM8978CGEFL/V датащи(HTML) 96 Page - Wolfson Microelectronics plc |
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96 / 118 page  WM8978 Production Data w PD, Rev 4.5, October 2011 96 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 13 (0Dh) 8 0 Reserved 7:4 JD_EN1 0000 Output enabled when selected jack detection input is logic 1 [4]= OUT1_EN_1 [5]= OUT2_EN_1 [6]= OUT3_EN_1 [7]= OUT4_EN_1 Output Switching (Jack Detect) 3:0 JD_EN0 0000 Output enabled when selected jack detection input is logic 0. [0]= OUT1_EN_0 [1]= OUT2_EN_0 [2]= OUT3_EN_0 [3]= OUT4_EN_0 Output Switching (Jack Detect) 14 (0Eh) 8 HPFEN 1 High Pass Filter Enable 0=disabled 1=enabled Analogue to Digital Converter (ADC) 7 HPFAPP 0 Select audio mode or application mode 0=Audio mode (1 st order, fc = ~3.7Hz) 1=Application mode (2 nd order, fc = HPFCUT) Analogue to Digital Converter (ADC) 6:4 HPFCUT 000 Application mode cut-off frequency See Table 15 for details. Analogue to Digital Converter (ADC) 3 ADCOSR 128 0 ADC oversample rate select 0 = 64x (lowest power) 1 = 128x (best SNR) Power Management 2 0 Reserved 1 ADCRPOL 0 ADC right channel polarity adjust: 0=normal 1=inverted Analogue to Digital Converter (ADC) 0 ADCLPOL 0 ADC left channel polarity adjust: 0=normal 1=inverted Analogue to Digital Converter (ADC) 15 (0Fh) 8 ADCVU N/A ADC left and ADC right volume do not update until a 1 is written to ADCVU (in reg 16 or 17) Analogue to Digital Converter (ADC) 7:0 ADCVOLL 11111111 Left ADC Digital Volume Control 0000 0000 = Digital Mute 0000 0001 = -127dB 0000 0010 = -126.5dB ... 0.5dB steps up to 1111 1111 = 0dB Analogue to Digital Converter (ADC) 16 (10h) 8 ADCVU N/A ADC left and ADC right volume do not update until a 1 is written to ADCVU (in reg 16 or 17) Analogue to Digital Converter (ADC) 7:0 ADCVOLR 11111111 Right ADC Digital Volume Control 0000 0000 = Digital Mute 0000 0001 = -127dB 0000 0010 = -126.5dB ... 0.5dB steps up to 1111 1111 = 0dB Analogue to Digital Converter (ADC) |
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