adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 125

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

EPCONTROL REGISTER
Address: 0x21, Reset: 0x00, Name: EPCONTROL
Earpiece Amplifier and Microphone Bias Output Control
Table 67. Bit Descriptions for EPCONTROL
Bits
[7:6]
[5:4]
[3:2]
[1:0]
Bit Name
RESERVED
MICB2GAIN
MICB1GAIN
EPGAIN
Settings
00
01
10
11
00
01
10
11
00
01
10
11
Description
Reserved.
Microphone Bias 2 Output Voltage Setting.
2.9 V (default)
2.2 V
2.6 V
1.8 V
Microphone Bias 1 Output Voltage Setting.
2.9 V (default)
2.2 V
2.6 V
1.8 V
Earpiece Amplifier Gain Setting.
Mute (default)
0 dB
6 dB
12 dB
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Reset
0x0
0x0
0x0
0x0
ADAU1373
Access
RW
RW
RW
RW