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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8960CGEFL/V датащи(PDF) 27 Page - Wolfson Microelectronics plc |
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WM8960CGEFL/V датащи(HTML) 27 Page - Wolfson Microelectronics plc |
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27 / 91 page  Production Data WM8960 w PD, October 2011, Rev 4.1 27 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R21 (15h) Left ADC Digital Volume 7:0 LADCVOL [7:0] 11000011 ( 0dB ) Left ADC Digital Volume Control 0000 0000 = Digital Mute 0000 0001 = -97dB 0000 0010 = -96.5dB ... 0.5dB steps up to 1111 1111 = +30dB 8 ADCVU 0 ADC Volume Update 0 = Store LADCVOL in intermediate latch (no gain change) 1 = Update left and right channel gains (left = LADCVOL, right = intermediate latch) R22 (16h) Right ADC Digital Volume 7:0 RADCVOL [7:0] 11000011 ( 0dB ) Right ADC Digital Volume Control 0000 0000 = Digital Mute 0000 0001 = -97dB 0000 0010 = -96.5dB ... 0.5dB steps up to 1111 1111 = +30dB 8 ADCVU 0 ADC Volume Update 0 = Store RADCVOL in intermediate latch (no gain change) 1 = Update left and right channel gains (left = intermediate latch, right = RADCVOL) Table 10 ADC Digital Volume Control ADC DIGITAL FILTERS The ADC filters perform true 24-bit signal processing to convert the raw multi-bit oversampled data from the ADC to the correct sampling frequency to be output on the digital audio interface. HIGH PASS FILTER A digital high pass filter is applied by default to the ADC path to remove DC offsets. This filter can be disabled using the ADCHPD register bit. REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R5 (05h) ADC and DAC Control (1) 0 ADCHPD 0 ADC High Pass Filter Disable 0 = Enable high pass filter on left and right channels 1 = Disable high pass filter on left and right channels Table 11 ADC High Pass Filter The high pass filter characteristics are shown in the Digital Filter Characteristics section. |
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