Datasheet

Data Sheet ADAU1772
Rev. B | Page 107 of 116
Bits Bit Name Settings Description Reset Access
[5:4] AFE_IBIAS23 Analog Front-End 2 and Analog Front-End 3 bias current setting. Higher
bias currents result in higher performance.
0x0 RW
00 Normal operation (default)
01 Extreme power saving
10 Enhanced performance
11 Power saving
[3:2] MIC_IBIAS Microphone input bias current setting. Higher bias currents result in
higher performance.
0x0 RW
00 Normal operation (default)
01 Extreme power saving
10 Enhanced performance
11 Power saving
[1:0] DAC_IBIAS DAC bias current setting. Higher bias currents result in higher performance. 0x0 RW
00 Normal operation (default)
01 Power saving
10 Superior performance
11 Enhanced performance
DIGITAL PIN PULL-UP CONTROL 0 REGISTER
Address: 0x0048, Reset: 0x7F, Name: PAD_CONTROL0
Controls the behavior of the pad. Possible to enable pull-up.
Table 99. Bit Descriptions for PAD_CONTROL0
Bits Bit Name Settings Description Reset Access
6 DMIC2_3_PU Pull-up disable. 0x1 RW
0 Pull-up enabled
1 Pull-up disabled
5 DMIC0_1_PU Pull-up disable. 0x1 RW
0 Pull-up enabled
1 Pull-up disabled
4 LRCLK_PU Pull-up disable. 0x1 RW
0 Pull-up enabled
1 Pull-up disabled