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CS4294 View Datasheet(PDF) - Cirrus Logic

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CS4294 Datasheet PDF : 42 Pages
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CS4294
6.1.7 Record Gain (Index 1Ch)
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
GL3 GL2 GL1 GL0
GR3 GR2 GR1 GR0
Mute
GL[3:0]
GR[3:0]
Default
When set, mutes the input to the ADCs.
Left ADC gain. Least significant bit represents +1.5 dB with 0000 = 0 dB.
The total range is 0 dB to +22.5 dB.
Right ADC gain. Least significant bit represents +1.5 dB with 0000 = 0 dB.
The total range is 0 dB to +22.5 dB.
8000h, 0 dB gain with Mute on.
6.1.8 General Purpose (Index 20h)
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
POP
SEE
0 LPBK
POP
SEE
LPBK
Default
PCM Output Path. By default, the PCM output is mixed prior to the Stereo Enhancement. When set, the
PCM output is mixed after the Stereo Enhancement.
Stereo Enhancement Enable. If set, enables the CrystalClear Stereo Enhancement.
Loopback. If set, enables Analog ADC/DAC Loopback Mode.
0000h.
6.1.9 Stereo Enhancement Control (Index 22h)
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
S3 S2 S1 S0
S[3:0]
Default
Spacial Enhancement Depth. Spacial Enhancement is enabled by the Stereo Enhancement Enable bit
in the General Purpose (Index 20h) register.
0000 - No spacial enhancement.
1111 - Full spacial enhancement.
0000h, no spacial enhancement added.
The Spacial Enhancements is not available on the ALT_LINE output when the codec is in Mode 1
or EAM is set. See the AC Mode Control (Index 5Eh) register for more detail.
DS326PP4
21
 

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