9 dac control 1 (address 12h), 1 dac1-4 noise gate, 2 dac1-4 de-emphasis – Cirrus Logic CS4244 User Manual
Page 52: 10 dac control 2 (address 13h), 1 inv. dacx, Section 6.9.2 dac1-4 de-em, Phasis, Cs4244
DS900F1
52
CS4244
6.9
DAC Control 1 (Address 12h)
6.9.1
DAC1-4 Noise Gate
This sets the bit depth at which the Noise Gate feature should engage for the DAC1-4 path.
6.9.2
DAC1-4 De-emphasis
Enables or disables de-emphasis for the DAC1-4 path. See
for details. The CS4244 in-
cludes on-chip digital de-emphasis for 32, 44.1, and 48 kHz base rates. It is not supported for 96 kHz or
for any settings in Double-speed Mode.
6.10 DAC Control 2 (Address 13h)
6.10.1
Inv. DACx
Inverts the polarity of the DACx signal.
7
6
5
4
3
2
1
0
DAC1-4 NG
DAC1-4 DE
Reserved
Reserved
Reserved
DAC1-4 NG[2:0]
Noise Gate is set at: [b]
000
Upper 13 Bits (72 dB)
001
Upper 14 Bits (78 dB)
010
Upper 15 Bits (84 dB)
011
Upper 16 Bits (90 dB)
100
Upper 17 Bits (96 dB)
101
Upper 18 Bits (102 dB)
110
Upper 24 Bits (138 dB)
111
Noise Gate Disabled
DAC1-4 DE
De-emphasis is:
0
Disabled
1
Enabled
7
6
5
4
3
2
1
0
Reserved[2:0]
Reserved
INV. DAC4
INV. DAC3
INV. DAC2
INV. DAC1
INV. DACx
DACx Polarity is:
0
Not Inverted
1
Inverted