DA7218 Datasheet, PDF (122/173 Pages) Dialog Semiconductor – Ultra-Low Power Stereo Codec

DA7218
Ultra-Low Power Stereo Codec
Table 180: OUT_1_HPF_FILTER_CTRL (Page 0: 0x00000024)
Bit
Mode
Symbol
Description
7
R/W
out_1_hpf_en
Output audio high pass filter control
0 = Disabled
1 = Enabled
5:4
R/W
out_1_audio_hpf_cor Audio HPF 3 dB cut-off control for the Audio HPF
ner
At 48 kHz sample rate, the 3 dB cut-off is at:
00 = 2 Hz
01 = 4 Hz
10 = 8 Hz
11 = 16 Hz
For other sample rates, the corner cut-off points
scale proportionately
3
R/W
out_1_voice_en
Output voice high pass filter control
0 = Disabled
1 = Enable
2:0
R/W
out_1_voice_hpf_cor 3dB cut-off for the Voice HPF
ner
At 8 kHz sample rate, the 3 dB cut-off is at:
000 = 2.5 Hz
001 = 25 Hz
010 = 50 Hz
011 = 100 Hz
100 = 150 Hz
101 = 200 Hz
110 = 300 Hz
111 = 400 Hz
For other sample rates, the corner cut-off points
scale proportionately
Reset
0x1
0x0
0x0
0x0
Datasheet
CFR0011-120-00
Revision 2.5
122 of 173
01 Sep 2016
© 2016 Dialog Semiconductor