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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8994ECS/R датащи(PDF) 331 Page - Cirrus Logic |
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WM8994ECS/R датащи(HTML) 331 Page - Cirrus Logic |
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331 / 363 page  WM8994 Rev 4.6 331 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO Writing a 1 to this bit will cause the DAC2L and DAC2R volume to be updated simultaneously 7:0 DAC2R_VOL [7:0] 1100_0000 DAC2R Digital Volume 00h = MUTE 01h = -71.625dB … (0.375dB steps) C0h = 0dB FFh = 0dB Register 0613h DAC2 Right Volume REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R1556 (0614h) DAC Softmute 1 DAC_SOFTMUT EMODE 0 DAC Unmute Ramp select 0 = Disabling soft-mute (DAC[1/2][L/R]_MUTE=0) will cause the DAC volume to change immediately to DAC[1/2][L/R]_VOL settings 1 = Disabling soft-mute (DAC[1/2][L/R]_MUTE=0) will cause the DAC volume to ramp up gradually to the DAC[1/2][L/R]_VOL settings 0 DAC_MUTERAT E 0 DAC Soft Mute Ramp Rate 0 = Fast ramp (fs/2, maximum ramp time is 10.7ms at fs=48k) 1 = Slow ramp (fs/32, maximum ramp time is 171ms at fs=48k) (Note: ramp rate scales with sample rate.) Register 0614h DAC Softmute REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R1568 (0620h) Oversamplin g 1 ADC_OSR128 1 ADC / Digital Microphone Oversample Rate Select 0 = Low Power 1 = High Performance 0 DAC_OSR128 0 DAC Oversample Rate Select 0 = Low Power 1 = High Performance Register 0620h Oversampling REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R1569 (0621h) Sidetone 9:7 ST_HPF_CUT [2:0] 000 Sidetone HPF cut-off frequency (relative to 44.1kHz sample rate) 000 = 2.7kHz 001 = 1.35kHz 010 = 675Hz 011 = 370Hz 100 = 180Hz 101 = 90Hz 110 = 45Hz 111 = Reserved Note - the cut-off frequencies scale with the Digital Mixing (SYSCLK) clocking rate. The quoted figures apply to |
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