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AS3525 Datasheet(PDF) 142 Page - ams AG

Part # AS3525
Description  Advanced Audio Processor System
PDF  194 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3525 Datasheet(HTML) 142 Page - ams AG

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AS3525-A/-B C22O22
Data Sheet, Confidential
© 2005-2009, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Revision 1.13
142
- 194
7.4.9.3
Register Description
Table 125 Line Input Related Register
Name
Base
Offset
Description
AudioSet1
I2C audio master
0x14
Enable/disable driver stage
Table 126 LINE_IN1_R & LINE_IN2_R Register
Name
Base
Default
LINE_IN1_R, LINE_IN2_R
I2C audio master
0x00
Right Line Input Registers
Offset: 0x0A, 0x0C
This register is reset when the block is disabled in AudioSet1 register (0x14) or at a
DVDD-POR. The register cannot be written when the block is disabled.
Bit
Bit Name
Default
Access
Bit Description
7:6
00
n/a
do not change
5
LI1R_Mute_off
LI2R_Mute_off
0
R/W
0: right line input is set to mute
1: normal operation
4:0
LI1R_VOL
LI2R_VOL
00000
R/W
volume settings for right line input,
adjustable in 32 steps @ 1.5dB
11111: 12 dB gain
11110: 10.5 dB gain
..
00001: -33 dB gain
00000: -34.5 dB gain
Table 127 LINE_IN1_L & LINE_IN2_L Register
Name
Base
Default
LINE_IN1_L, LINE_IN2_L
I2C audio master
0x00
Right Line Input Registers
Offset: 0x0B, 0x0D
This register is reset when the block is disabled in AudioSet1 register (0x14) or at a
DVDD-POR. The register cannot be written when the block is disabled.
Bit
Bit Name
Default
Access
Bit Description
7:6
LI1_Mode
LI2_Mode
00
R/W
Stereo or mono input selection
00: inputs switched to single ended stereo
01: inputs switched to differential mono
10: inputs switched to single ended mono
11: reserved, do not use.
5
LI1L_Mute_off
LI2L_Mute_off
0
R/W
0: left line input is set to mute
1: normal operation
4:0
LI1L_VOL
LI2L_VOL
00000
R/W
volume settings for right line input,
adjustable in 32 steps @ 1.5dB
11111: 12 dB gain
11110: 10.5 dB gain
..
00001: -33 dB gain
00000: -34.5 dB gain



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