Cirrus-logic CS43L22 Manual de usuario Pagina 25

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DS792F2 25
CS43L22
Confidential Draft
3/4/10
4.4 Analog Outputs
Referenced Control Register Location
Analog Output
HPxMUTE ...........................
HPxVOL[7:0] .......................
PDN_HPx[1:0].....................
HPGAIN[2:0]........................
PASSTHRUx .......................
PASSxMUTE .......................
PASSxVOL[7:0] ...................
CHGFREQ ..........................
“Headphone Mute” on page 45
“Headphone Volume Control” on page 51
“Headphone Power Control” on page 38
“Headphone Analog Gain” on page 43
“Passthrough Analog” on page 44
“Passthrough Mute” on page 44
“Passthrough x Volume” on page 46
“Charge Pump Frequency” on page 58
DAC
CHGFREQ[3:0]
HPGAIN[2:0]
VOL
VOL
Analog Passthru Input
Signal
HPAMUTE
HPBMUTE
HPA_VOL[7:0]
HPB_VOL[7:0]
+0dB/-102dB
0.5dB steps
PASSAMUTE
PASSBMUTE
PASSAVOL[7:0]
PASSBVOL[70]
+12dB/-60dB
0.5dB steps
PASSTHRUA
PASSTHRUB
PDN_HPA[1:0]
PDN_HPB[1:0]
A
B
from DSP
Engine
HP/Line
Outputs
Charge
Pump
Figure 9. Analog Outputs
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