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CS43L22 데이터시트(PDF) 22 Page - Cirrus Logic |
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CS43L22 데이터시트(HTML) 22 Page - Cirrus Logic |
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22 / 68 page ![]() 22 DS792F1 CS43L22 Confidential Draft 10/7/08 4.2 DSP Engine Referenced Control Register Location DSP DEEMPH ............................. PCMxMUTE ........................ PCMxVOL[6:0] .................... INV_PCMx........................... PCMxSWAP[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 45 “PCM Channel x Mute” on page 48 “PCM Channel x Volume” on page 48 “Invert PCM Signal Polarity” on page 44 “PCM Channel Swap” on page 53 “Master Volume Control” on page 52 “Master Playback Mute” on page 44 “Digital Soft Ramp” on page 45 “Digital Zero Cross” on page 46 “Playback Volume Setting B=A” on page 44 “Tone Control Enable” on page 51 “Bass Corner Frequency” on page 51 “Treble Corner Frequency” on page 51 “Bass Gain” on page 52 “Treble Gain” on page 51 “Peak Detect and Limiter” on page 55 “Limiter Soft Ramp Disable” on page 54 “Limiter Zero Cross Disable” on page 55 “Limiter Maximum Threshold” on page 54 “Limiter Cushion Threshold” on page 54 “Limiter Attack Rate” on page 56 “Limiter Release Rate” on page 55 Beep Generator Bass/ Treble/ Control Σ VOL Peak Detect Limiter Chnl Vol. Settings Demph VOL VOL +12dB/-102dB 0.5dB steps MSTAVOL[7:0] MSTBVOL[7:0] +12dB/-51.5dB 0.5dB steps PCMAMUTE PCMBMUTE PCMAVOL[6:0] PCMBVOL[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] OFFTIME[2:0] ONTIME[3:0] FREQ[3:0] BEEP[1:0] BEEPMIXDIS Channel Swap INV_PCMA INV_PCMB PWM Modulator DAC Figure 5. DSP Engine Signal Flow |
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