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CS42L52 Datasheet(PDF) 29 Page - Cirrus Logic |
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CS42L52 Datasheet(HTML) 29 Page - Cirrus Logic |
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29 / 82 page  DS680A1 29 CS42L52 4.3 Analog Outputs Referenced Control Register Location DSP DEEMPH ............................. PMIXxMUTE........................ PMIXxVOL[6:0].................... INV_PCMx........................... PCMxSWAP[1:0] ................. AMIXxMUTE........................ AMIXxVOL[6:0].................... ADCxSWAP[1:0].................. MSTxVOL[7:0]..................... MSTxMUTE......................... DIGSFT ............................... DIGZC ................................. PLYBCKB=A........................ TC_EN................................. BASS_CF[1:0] ..................... TREB_CF[1:0] ..................... BASS[3:0]............................ TREB[3:0]............................ LIMIT ................................... LIMSRDIS ........................... LIMZCDIS............................ LMAX[2:0]............................ CUSH[2:0] ........................... LIMARATE[7:0].................... LIMRRATE[7:0] ................... “HP/Speaker De-Emphasis” on page 52 “PCM Mixer Channel x Mute” on page 58 “PCM Mixer Channel x Volume” on page 58 “Invert PCM Signal Polarity” on page 51 “PCM Mix Channel Swap” on page 64 “ADC Mixer Channel x Mute” on page 58 “ADC Mixer Channel x Volume” on page 58 “ADC Mix Channel Swap” on page 64 “Master Volume Control” on page 63 “Master Playback Mute” on page 51 “Digital Soft Ramp” on page 53 “Digital Zero Cross” on page 53 “Playback Volume Setting B=A” on page 51 “Tone Control Enable” on page 62 “Bass Corner Frequency” on page 62 “Treble Corner Frequency” on page 62 “Bass Gain” on page 63 “Treble Gain” on page 62 “Peak Detect and Limiter” on page 66 “Limiter Soft Ramp Disable” on page 65 “Limiter Zero Cross Disable” on page 66 “Limiter Maximum Threshold” on page 65 “Limiter Cushion Threshold” on page 65 “Limiter Attack Rate” on page 67 “Limiter Release Rate” on page 66 Beep Generator VOL Σ Bass/ Treble/ Control Σ VOL Peak Detect Limiter Chnl Vol. Settings Channel Swap Demph VOL VOL +12dB/-102dB 0.5dB steps MSTAVOL[7:0] MSTBVOL[7:0] +12dB/-51.5dB 0.5dB steps AMIXAMUTE AMIXBMUTE AMIXAVOL[6:0] AMIXBVOL[6:0] +12dB/-51.5dB 0.5dB steps PMIXAMUTE PMIXBMUTE PMIXAVOL[6:0] PMIXBVOL[6:0] 0dB/-50dB 2.0dB steps BPVOL[4:0] DEEMPH TC_EN BASS_CF[1:0] TREB_CF[1:0] BASS[3:0] TREB[3:0] +12.0dB/-10.5dB 1.5dB steps Fixed Function DSP MSTAMUTE MSTBMUTE DIGSFT DIGZC PLYBCKB=A LIMARATE[7:0] LIMRRATE[7:0] LMAX[2:0] CUSH[2:0] LIMSRDIS LIMZCDIS LIMIT PCMASWAP[1:0] PCMBSWAP[1:0] INPUTS FROM ADCA and ADCB OFFTIME[2:0] ONTIME[3:0] FREQ[3:0] BEEP[1:0] BEEPMIXDIS Digital Mix to ADC Serial Interface Channel Swap INV_PCMA INV_PCMB ADCASWAP[1:0] ADCBSWAP[1:0] PWM Modulator DAC Figure 10. DSP Engine Signal Flow |
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