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Cs42l56 – Cirrus Logic CS42L56 User Manual

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DS851F2

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CS42L56

6.11.2 HP/Line De-Emphasis ......................................................................................................... 65
6.11.3 Playback Channels B=A ...................................................................................................... 65
6.11.4 Invert PCM Signal Polarity .................................................................................................. 65

6.12 DSP Mute Controls (Address 0Ch) ............................................................................................... 66

6.12.1 ADC Mixer Channel x Mute ................................................................................................. 66
6.12.2 PCM Mixer Channel x Mute ................................................................................................ 66
6.12.3 Master Playback Mute ......................................................................................................... 66

6.13 ADCx Mixer Volume: ADCA (Address 0Dh) & ADCB (Address 0Eh) ........................................... 66

6.13.1 ADC Mixer Channel x Volume ............................................................................................. 66

6.14 PCMx Mixer Volume: PCMA (Address 0Fh) & PCMB (Address 10h) .......................................... 67

6.14.1 PCM Mixer Channel x Volume ............................................................................................ 67

6.15 Analog Input Advisory Volume (Address 11h) .............................................................................. 68

6.15.1 Analog Input Advisory Volume ............................................................................................ 68

6.16 Digital Input Advisory Volume (Address 12h) ............................................................................... 68

6.16.1 Digital Input Advisory Volume ............................................................................................. 68

6.17 Master Volume Control:
MSTA (Address 13h) & MSTB (Address 14h) ...................................................................................... 69

6.17.1 Master Volume Control ........................................................................................................ 69

6.18 Beep Frequency & On Time (Address 15h) ................................................................................. 69

6.18.1 Beep Frequency .................................................................................................................. 69
6.18.2 Beep On Time ..................................................................................................................... 70

6.19 Beep Volume & Off Time (Address 16h) ...................................................................................... 70

6.19.1 Beep Off Time ..................................................................................................................... 70
6.19.2 Beep Volume ....................................................................................................................... 71

6.20 Beep & Tone Configuration (Address 17h) ................................................................................... 71

6.20.1 Beep Configuration .............................................................................................................. 71
6.20.2 Treble Corner Frequency .................................................................................................... 71
6.20.3 Bass Corner Frequency ...................................................................................................... 72
6.20.4 Tone Control Enable ........................................................................................................... 72

6.21 Tone Control (Address 18h) ......................................................................................................... 72

6.21.1 Treble Gain .......................................................................................................................... 72
6.21.2 Bass Gain ............................................................................................................................ 72

6.22 ADC & PCM Channel Mixer (Address 19h) .................................................................................. 73

6.22.1 PCM Mix Channel Swap ..................................................................................................... 73
6.22.2 ADC Mix Channel Swap ...................................................................................................... 73

6.23 AIN Reference Configuration, ADC MUX (Address 1Ah) ............................................................. 73

6.23.1 Analog Input 2 x Reference Configuration .......................................................................... 73
6.23.2 Analog Input 1 x Reference Configuration .......................................................................... 73
6.23.3 ADC x Input Select .............................................................................................................. 74

6.24 HPF Control (Address 1Bh) .......................................................................................................... 74

6.24.1 ADCx High-Pass Filter ........................................................................................................ 74
6.24.2 ADCx High-Pass Filter Freeze ............................................................................................ 74
6.24.3 HPF x Corner Frequency .................................................................................................... 74

6.25 Misc. ADC Control (Address 1Ch) ................................................................................................ 75

6.25.1 ADC Channel B=A .............................................................................................................. 75
6.25.2 PGA Channel B=A .............................................................................................................. 75
6.25.3 Digital Sum .......................................................................................................................... 75
6.25.4 Invert ADC Signal Polarity ................................................................................................... 75
6.25.5 ADC Mute ............................................................................................................................ 75

6.26 Gain & Bias Control (Address 1Dh) .............................................................................................. 76

6.26.1 PGA x Preamplifier Gain ..................................................................................................... 76
6.26.2 Boostx ................................................................................................................................. 76
6.26.3 Microphone Bias Output Level ............................................................................................ 76

6.27 PGA x MUX, Volume: PGA A (Address 1Eh) & PGA B (Address 1Fh) ........................................ 76