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AS3658F-BCTP Datasheet(PDF) 115 Page - ams AG

Part # AS3658F-BCTP
Description  Power and Audio Management Unit for Portable Devices
PDF  158 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3658F-BCTP Datasheet(HTML) 115 Page - ams AG

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www.austriamicrosystems.com
Revision 1v13
114 - 157
AS3658
Data Sheet Confidential - Detail ed Descri ption- Audio Functi ons
Right Headphone Register
Table 119. HPH_OUT_R Register
Addr:81
HPH_OUT_R
These bits control the Right headphone ouput volume and mode
Bit
Bit Name
Default
Access
Description
Left Headphone Register
Table 120. HPH_OUT_L Register
Addr:82
HPH_OUT_L
These bits control the Left headphone ouput volume and mode
Bit
Bit Name
Default
Access
Description
4:0
hpr_vol
00000b
volume settings for right headphone output, adjustable
in 32 steps @ 1.5dB
00000
-40.5 dB gain
00001
-39 dB gain
......
11110
4.5 dB gain
11111
6 dB gain
5
hpcm_off
headphone phantom ground disable
0
normal operation
1
disable common mode buffer
7:6
hp_ovc_to
00h
headphone over current time out:
speaker over current time out:
00
256 ms
01
128 ms
10
512 ms
11
0 ms
4:0
hpl_vol
00000b
volume settings for left headphone output, adjustable
in 32 steps @ 1.5dB
00000
-40.5 dB gain
00001
-39 dB gain
......
11110
4.5 dB gain
11111
6 dB gain
5
hp_mux
0
R/W
0
use HPL1, HPR1 as headphone output
1
use HPL2, HPR2 as headphone output
6
hp_on
0
R/W
0
headphone stage not powered
1
power up headphone stage
7
hp_mute
0
R/W
0
normal operation
1
headphone output set to mute (mute is on
during power-up)



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