CS4299-BQ Datasheet, PDF (20/52 Pages) Cirrus Logic – CrystalClear SoundFusion Audio Codec 97

CS4299-BQ
4.1 Reset Register (Index 00h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0 SE4 SE3 SE2 SE1 SE0 0 ID8 ID7 0
0 ID4 0
0
0
0
SE[4:0]
Crystal 3D Stereo Enhancement. SE[4:0] = 00110, indicating this feature is present.
ID8
18-bit ADC Resolution. The ID8 bit is ‘set’, indicating this feature is present.
ID7
20-bit DAC resolution. The ID7 bit is ‘set’, indicating this feature is present.
ID4
Headphone Output (Alt Line Out). The ID4 bit is ‘set’, indicating this feature is present.
Default
1990h. The data in this register is read-only data.
Any write to this register causes a Register Reset to the default state of the audio (Index 00h - 38h) and vendor spe-
cific (Index 5Ah - 7Ah) registers. A read from this register returns configuration information about the CS429.
4.2 Master Volume Register (Index 02h)
D15 D14 D13 D12 D11 D10 D9 D8 D7
Mute 0 ML5 ML4 ML3 ML2 ML1 ML0 0
D6 D5 D4 D3 D2 D1 D0
0 MR5 MR4 MR3 MR2 MR1 MR0
Mute
ML[5:0]
MR[5:0]
Default
Master Mute. Setting this bit mutes the LINE_OUT_L/R output signals.
Master Volume Left. These bits control the left master output volume. Each step corresponds
to 1.5 dB gain adjustment, with 00000 = 0 dB. The total range is 0 dB to -94.5 dB attenuation.
Master Volume Right. These bits control the right master output volume. Each step corresponds
to 1.5 dB gain adjustment, with 00000 = 0 dB. The total range is 0 dB to -94.5 dB attenuation.
8000h. This value corresponds to 0 dB attenuation and Mute ‘set’.
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