adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 126

• Manufacturer Part Number: adau1373
• Description: Low Power Codec With Speaker And Headphone Amplifier Adau1373
• Manufacturer: Analog Devices, Inc.

ADAU1373
MICBIAS_CTRL1 REGISTER
Address: 0x22, Reset: 0x00, Name: MICBIAS_CTRL1
Microphone Bias 1 Control
Table 68. Bit Descriptions for MICBIAS_CTRL1
Bits
7
6
5
4
[3:2]
[1:0]
Bit Name
VBATLOW
MICB1LIM
MICB1OCEN
MICB1CURDEN
MICB1SHT
MICB1CURD
Settings
00
01
10
11
00
01
10
11
0
1
0
1
0
1
0
1
Description
Low Battery Sense Threshold Setting.
Disable (V
Enable (V
Microphone Bias 1 Current Limit Enable/Disable Control.
Disable (default)
Enable
Microphone Bias 1 Overcurrent Detection Enable/disable Control.
Disable (default)
Enable
Microphone Bias 1 Current Detection Enable/Disable Control.
Disable (default)
Enable
Microphone Bias 1 Overcurrent Threshold Value.
330 μA (default)
700 μA
1000 μA
1400 μA
Microphone Bias 1 Current Detection Threshold Value.
150 μA (default)
330 μA
510 μA
700 μA
BAT
BAT
≤ 3 V)
> 3 V)
Rev. 0 | Page 126 of 296
Reset
0x0
0x0
0x0
0x0
0x0
0x0
Access
RW
RW
RW
RW
RW
RW