CRD4412 Просмотр технического описания (PDF) - Cirrus Logic
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CRD4412 Datasheet PDF : 91 Pages
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CS4525
9.5 Foldback and Ramp Configuration (Address 05h) ......................................................................... 69
9.5.1 Enable Thermal Foldback (EnTherm) ................................................................................... 69
9.5.2 Lock Foldback Adjust (LockAdj) ........................................................................................... 69
9.5.3 Foldback Attack Delay (AttackDly[1:0]) ................................................................................ 69
9.5.4 Enable Foldback Floor (EnFloor) .......................................................................................... 70
9.5.5 Ramp Speed (RmpSpd[1:0]) ................................................................................................ 70
9.6 Mixer / Pre-Scale Configuration (Address 06h) ............................................................................. 70
9.6.1 Pre-Scale Attenuation (PreScale[2:0]) .................................................................................. 70
9.6.2 Right Channel Mixer (RChMix[1:0]) ...................................................................................... 70
9.6.3 Left Channel Mixer (LChMix[1:0]) ......................................................................................... 71
9.7 Tone Configuration (Address 07h) ................................................................................................. 71
9.7.1 De-Emphasis Control (DeEmph) .......................................................................................... 71
9.7.2 Adaptive Loudness Compensation Control (Loudness) ....................................................... 71
9.7.3 Digital Signal Processing High-Pass Filter (EnDigHPF) ....................................................... 71
9.7.4 Treble Corner Frequency (TrebFc[1:0]) ................................................................................ 72
9.7.5 Bass Corner Frequency (BassFc[1:0]) ................................................................................. 72
9.7.6 Tone Control Enable (EnToneCtrl) ....................................................................................... 72
9.8 Tone Control (Address 08h) ........................................................................................................... 72
9.8.1 Treble Gain Level (Treb[3:0]) ................................................................................................ 72
9.8.2 Bass Gain Level (Bass[3:0]) ................................................................................................. 73
9.9 2.1 Bass Manager/Parametric EQ Control (Address 09h) ............................................................. 73
9.9.1 Freeze Controls (Freeze) ...................................................................................................... 73
9.9.2 Bass Cross-Over Frequency (BassMgr[2:0]) ........................................................................ 73
9.9.3 Enable LFE Parametric EQ (EnLFEPEq) ............................................................................. 74
9.9.4 Enable Channel B Parametric EQ (EnChBPEq) ................................................................... 74
9.9.5 Enable Channel A Parametric EQ (EnChAPEq) ................................................................... 74
9.10 Volume and 2-Way Cross-Over Configuration (Address 55h) ..................................................... 75
9.10.1 Soft Ramp and Zero Cross Control (SZCMode[1:0]) ........................................................... 75
9.10.2 Enable 50% Duty Cycle for Mute Condition (Mute50/50) ..................................................... 75
9.10.3 Auto-Mute (AutoMute) .......................................................................................................... 75
9.10.4 Enable 2-Way Crossover (En2Way) .................................................................................... 76
9.10.5 2-Way Cross-Over Frequency (2WayFreq[2:0]) .................................................................. 76
9.11 Channel 1-2: 2-Way Sensitivity Control (Address 56h) ................................................................ 76
9.11.1 Channel 1 and Channel 2 Low-Pass Sensitivity Adjust (LowPass[3:0]) .............................. 76
9.11.2 Channel 1 and Channel 2 High-Pass Sensitivity Adjust (HighPass[3:0]) ............................. 77
9.12 Master Volume Control (Address 57h) ........................................................................................ 77
9.12.1 Master Volume Control (MVol[7:0]) ...................................................................................... 77
9.13 Channel 1, 2, & 3 Volume Control (Address 58h, 59h, & 5Ah) .................................................... 78
9.13.1 Channel X Volume Control (ChXVol[7:0]) ............................................................................ 78
9.14 Mute/Invert Control (Address 5Bh) .............................................................................................. 78
9.14.1 ADC Invert Signal Polarity (InvADC) .................................................................................... 78
9.14.2 Invert Signal Polarity (InvChX) ............................................................................................. 78
9.14.3 ADC Channel Mute (MuteADC) ........................................................................................... 78
9.14.4 Independent Channel Mute (MuteChX) ............................................................................... 79
9.15 Limiter Configuration 1 (Address 5Ch) ......................................................................................... 79
9.15.1 Maximum Threshold (Max[2:0]) ........................................................................................... 79
9.15.2 Minimum Threshold (Min[2:0]) ............................................................................................. 79
9.15.3 Peak Signal Limit All Channels (LimitAll) ............................................................................. 79
9.15.4 Peak Detect and Limiter Enable (EnLimiter) ........................................................................ 80
9.16 Limiter Configuration 2 (Address 5Dh) ......................................................................................... 80
9.16.1 Limiter Release Rate (RRate[5:0]) ....................................................................................... 80
9.17 Limiter Configuration 3 (Address 5Eh) ......................................................................................... 80
9.17.1 Limiter Attack Rate (ARate[5:0]) .......................................................................................... 80
9.18 Power Control (Address 5Fh) ...................................................................................................... 81
DS726A1
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