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ADAU1373BCBZ-R7 数据表(PDF) 126 Page - Analog Devices

部件名 ADAU1373BCBZ-R7
功能描述  Low Power Codec with Speaker and Headphone Amplifier
PDF  296 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADAU1373BCBZ-R7 数据表(HTML) 126 Page - Analog Devices

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



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