CS4299 Datasheet, PDF (26/52 Pages) Cirrus Logic – CrystalClear SoundFusion Audio Codec 97

CS4299
4.11 General Purpose Register (Index 20h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0
0
3D
0
0
0 MIX MS LPBK 0
0
0
0
0
0
0
3D
3D Enable. When ‘set’, the 3D bit enables the CrystalClear^TM 3D stereo enhancement. This
function is not available in DAC Direct Mode (DDM).
MIX
Mono Output Select. The MIX bit selects the source for the Mono Out output. When ‘set’, the
microphone input is selected. When ‘clear’, the stereo-to-mono mixer is selected.
MS
Microphone Select. The MS bit determines which of the two Mic inputs are passed to the mixer.
When ‘set’, the MIC2 input is selected. When ‘clear’, the MIC1 input is selected.
LPBK
Loopback Enable. When ‘set’, the LPBK bit enables the ADC/DAC Loopback Mode. This bit
routes the output of the ADCs to the input of the DACs without involving the AC-link.
Default
0000h
4.12 3D Control Register (Index 22h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
0
0
0
0
0
0
0
0
S3 S2 S1 S0
S[3:0]
Default
Spacial Enhancement Depth. These bits control the amount of “space” added to the output ste-
reo signal. When S[3:0] = 0000, the minimum amount of spatial enhancement is added. When
S[3:0] = 1111, the maximum amount of spatial enhancement is added. The 3D function is en-
abled and disabled by the 3D bit in the General Purpose Register (Index 20h).
0000h. This value corresponds to minimum spatial enhancement added to the output signal.
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