Table 14. passband filtering registers – Rainbow Electronics MAX98089 User Manual
Page 90
���������������������������������������������������������������� Maxim Integrated Products 90
MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 14. Passband Filtering Registers
REGISTER
BIT
NAME
DESCRIPTION
0x18
7
MODE1
DAI1 Passband Filtering Mode
0 = Voice filters
1 = Music filters (recommended for f
S
> 24kHz)
6
AVFLT1
DAI1 ADC Highpass Filter Mode
5
MODE1
AVFLT1
4
0
See Table 15.
1
Select a nonzero value to enable
the DC- blocking filter.
3
DHF1
DAI1 High Sample Rate Mode
Selects the sample rate range.
0 = 8kHz P LRCLK P 48kHz
1 = 48kHz P LRCLK P 96kHz
2
DVFLT1
DAI1 DAC Highpass Filter Mode
1
MODE1
DVFLT1
0
See Table 15.
0
1
Select a nonzero value to enable the DC-
blocking filter.
0x20
3
DHF2
DAI2 High Sample Rate Mode
Selects the sample rate range.
0 = 8kHz P LRCLK P 48kHz
1 = 48kHz
< LRCLK P 96kHz
0
DCB2
DAI2 DC Blocking Filter
Enables a DC-blocking filter on the DAI2 playback audio path.
0 = Disabled
1 = Enabled