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AS3658 датащи(PDF) 91 Page - ams AG

номер детали AS3658
подробное описание детали  Power and Audio Management Unit for Portable Devices
PDF  158 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS3658 датащи(HTML) 91 Page - ams AG

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www.austriamicrosystems.com
Revision 1v13
90 - 157
AS3658
Data Sheet Confidential - Detail ed Descri ption- Audio Functi ons
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
Line input disabled
1
Line input enabled
1
dac_on
0
R/W
Switch on control of AUDIO DAC
0
DAC disabled
1
DAC enabled (Switch on, if I2S signal valid only)
2
mix_on
0
R/W
0
Mixer switched off
1
Mixer switched on
3
gnd_sw_on
0
R/W
0
GND switch off 0V at pin GND_SW
1
GND switch on Vsupply at pin GND_SW
4
aud_ldo_on
0
R/W
Audio LDO ON control
0
Audio LDO off
1
Audio LDO on
5
mclk_invert
0
R/W
MCLK invert selection
0
Change of LRCLK at falling edge of MCLK
1
Change of LRCLK at rising edge of MCLK
6
mclk256
0
R/W
0
MCLK = LRCLK* 128
1
MCLK = LRCLK* 256
7
equ_on
0
R/W
0
Equalizer switched off (bypassed)
1
Equalizer switched on
Table 90. AudioSet2Register
Addr:75
Audio Set2
These bits control the Audio functions
Bit
Bit Name
Default Access
Description
1,0
ibr_dac<1:0>
00b
R/W
Bias current reduction settings for DAC:
00
default
01
Don't use
10
Don't use
11
Don't use
2
dith_on
0
R/W
1
add dither to the audio stream
0
no dither added
3
I2S_3_on
0
R/W
0
Switch off I2S_3 output
1
Switch on I2S_3 output



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