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CS43L22 데이터시트(PDF) 22 Page - Cirrus Logic

부품명 CS43L22
상세설명  Low Power, Stereo DAC w/Headphone & Speaker Amps
PDF  68 Pages
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제조업체  CIRRUS [Cirrus Logic]
홈페이지  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43L22 데이터시트(HTML) 22 Page - Cirrus Logic

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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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