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WM9711 データシート(PDF) 52 Page - Wolfson Microelectronics plc |
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WM9711 データシート(HTML) 52 Page - Wolfson Microelectronics plc |
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52 / 66 page  WM9711L Production Data w PD Rev 4.1 April 2004 52 Register 08h controls the bass and treble response of the left and right audio DAC (but not AUXDAC). REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 15 BB 0 (linear) Selects linear bass control or adaptive bass boost 12 BC 0 (low) Selects bass cut-off frequency 11:8 BASS 1111 (OFF) Controls bass intensity 6 DAT 0 (OFF) Enables 6dB pre-DAC attenuation 4 TC 0 (high) Selects treble cut-off frequency 08h 3:0 TRBL 1111 (OFF) Controls treble intensity Audio DACs, Tone Control / Bass Boost Register 0Ah controls the analogue input pin PCBEEP. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 15 B2H 1 (mute) Mutes PCBEEP to headphone mixer path 14:12 B2HVOL 010 (0dB) Controls gain of PCBEEP to headphone mixer path 11 B2S 1 (mute) Mutes PCBEEP to speaker mixer path 10:8 B2SVOL 010 (0dB) Controls gain of PCBEEP to speaker mixer path 7 B2P 1 (mute) Mutes PCBEEP to phone mixer path 0Ah 6:4 B2PVOL 010 (0dB) Controls gain of PCBEEP to phone mixer path Analogue Inputs, PCBEEP Input Register 0Ch controls the analogue input pin PHONE. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 15 P2H 1 (mute) Mutes PHONE to headphone mixer path 14 P2S 1 (mute) Mutes PHONE to speaker mixer path 0Ch 4:0 PHONEVOL 01000 (0dB) Controls PHONE input gain to all mixers (but not to ADC) Analogue Inputs, PHONE Input Register 0Eh controls the analogue input pins MIC1 and MIC2. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 14 M12P 1 (mute) Mutes MIC1 to phone mixer path 13 M22P 1 (mute) Mutes MIC2 to phone mixer path 12:8 LMICVOL 01000 (0dB) Controls volume of MIC1 (left), in stereo mode only 7 20dB 0 (OFF) Enables 20dB gain boost 6:5 MS 00 (MIC1 only) Selects microphone mode. 00=MIC1 only, 01=differential, 10=MIC2 only, 11=stereo 0Eh 4:0 MICVOL 01000 (0dB) Controls mic volume (except MIC1 in stereo mode) Analogue Inputs, Microphone Input Register 10h controls the analogue input pins LINEINL and LINEINR. REG ADDR BIT LABEL DEFAULT DESCRIPTION REFER TO 15 L2H 1 (mute) Mutes LINEIN to headphone mixer path 14 L2S 1 (mute) Mutes LINEIN to speaker mixer path 13 L2P 1 (mute) Mutes LINEIN to phone mixer path 12:8 LINEINLVOL 01000 (0dB) Controls LINEINL input gain to all mixers (but not to ADC) 10h 4:0 LINEINRVOL 01000 (0dB) Controls LINEINR input gain to all mixers (but not to ADC) Analogue Inputs, Line Input |
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