参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 108/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description- Audio Functions
Register Description
Table 111. MIC_R Register
MIC_R
Addr:87
Right Microphone Input Register
Configures the gain from microphone amplifier output
Bit
Bit Name
Default
Access
Description
volume settings for right microphone input, adjustable
in 32 steps @ 1.5dB; gain from microphone amplifier
00000
-40.5 dB gain
4:0
mr_vol
00000b
R/W
00001
-39 dB gain
.....
11110
11111
4.5 dB gain
6 dB gain
Sets the gain of the microphone preamplifier
00
gain set to 28 dB
6:5
pre_gain
00
R/W
01
gain set to 34 dB
10
11
gain set to 40 dB
reserved, do not use
Control of limiter AGC (automatic gain control). Limits
high dynamic range of electret/MEMS microphone
7
mic_agc_off
0
R/W
(e.g. user shouts or blows into microphone)
0
1
automatic gain control enabled
automatic gain control disabled
Table 112. MIC_L Register
MIC_L
Addr:88
Left Microphone Input Register
Configures the gain from microphone amplifier output
Bit
Bit Name
Default
Access
Description
volume settings for left microphone input, adjustable in 32
steps @ 1.5dB; gain from microphone amplifier
00000
-40.5 dB gain
4:0
ml_vol
00000
R/W
00001
-39 dB gain
.....
11110
11111
4.5 dB gain
6 dB gain
Disables the microphone detect function (30k Ω pull-up
from MICS to VDAC) to use the terminal as ADC-10
5
rdet_off
0
R/W
input
0
1
microphone detection enabled
microphone detection disabled
Control of MUTE
6
mute_off
0
R/W
0
microphone input set to mute
1
gain set to 34 dB
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Revision 1v13
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