参数资料
型号: AS3658-BCTP
厂商: ams
文件页数: 91/158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
9.3
Audio Setup Registers
Audio LDO has to be switched on first (aud_ldo_on=1), and enables all other functions.
Table 89. AudioSet1 Register
Addr:74
Audio Set1
These bits control the Audio functions
Bit
Bit Name
Default Access
Description
0
lin_on
0
R/W
0
1
Line input disabled
Line input enabled
Switch on control of AUDIO DAC
1
dac_on
0
R/W
0
DAC disabled
1
DAC enabled (Switch on, if I2S signal valid only)
2
3
mix_on
gnd_sw_on
0
0
R/W
R/W
0
1
0
1
Mixer switched off
Mixer switched on
GND switch off 0V at pin GND_SW
GND switch on Vsupply at pin GND_SW
Audio LDO ON control
4
aud_ldo_on
0
R/W
0
Audio LDO off
1
Audio LDO on
MCLK invert selection
5
mclk_invert
0
R/W
0
Change of LRCLK at falling edge of MCLK
1
Change of LRCLK at rising edge of MCLK
6
7
mclk256
equ_on
0
0
R/W
R/W
0
1
0
1
MCLK = LRCLK* 128
MCLK = LRCLK* 256
Equalizer switched off (bypassed)
Equalizer switched on
Table 90. AudioSet2Register
Addr:75
Audio Set2
These bits control the Audio functions
Bit
Bit Name
Default Access
Description
Bias current reduction settings for DAC:
00
default
1,0
ibr_dac<1:0>
00b
R/W
01
Don't use
10
11
Don't use
Don't use
2
3
dith_on
I2S_3_on
0
0
R/W
R/W
1
0
0
1
add dither to the audio stream
no dither added
Switch off I2S_3 output
Switch on I2S_3 output
www.austriamicrosystems.com
Revision 1v13
90 - 157
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