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AS3517H-ECTP 데이터시트(PDF) 70 Page - ams AG

부품명 AS3517H-ECTP
상세설명  Stereo Audio Codec with enhanced System Power Management
PDF  94 Pages
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제조업체  AMSCO [ams AG]
홈페이지  http://www.ams.com
Logo AMSCO - ams AG

AS3517H-ECTP 데이터시트(HTML) 70 Page - ams AG

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AS3517 V17
Data Sheet, Confidential
© 2003-2007, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Table 67 PWM Register
Name
Base
Default
PWM
2-wire serial
00h
PWM Output Control Register
Offset: 12h-3
Sets the PWM output duty cycle and signal polarity.
This is an extended register and needs to be enabled by writing 011b to Reg. 18h first.
This register is reset at a DVDD-POR.
Bit
Bit Name
Default
Access
Bit Description
7
PWM_INVERTED
0
R/W
PWM output polarity
0: not inverted
1: inverted
6:0
PWM_CYCLE
0000000
R/W
Sets the PWM duty cycle
Duty Cycle = PWM_CYCLE * 0.3937%
PWM_CYCLE = 0 means no pulse
Table 68 AudioSet_1 Register
Name
Base
Default
AudioSet_1
2-wire serial
00h
First Audio Set Register
Offset: 14h
Powers the various audio inputs and outputs UP or DOWN.
Attention: This control register resets and holds microphone, line out, and ADC related
registers in reset. After activation the required register settings need to be re-
programmed.
This register is reset at a DVDD-POR.
Bit
Bit Name
Default
Access
Bit Description
7
ADC_R_ON
0
R/W
0: ADC right channel powered down
1: ADC right channel enabled for recording
6
ADC_L_ON
0
R/W
0: ADC left channel powered down
1: ADC left channel enabled for recording
5
LOUT2_ON
0
R/W
0: Line output 2 powered down
1: Line output enabled
4
LOUT1_ON
0
R/W
0: Line output 1 powered down
1: Line output enabled
3
LIN2_ON
0
R/W
0: Line input 2 powered down
1: Line input 2 enabled
2
LIN1_ON
0
R/W
0: Line input 1 powered down
1: Line input 1 enabled
1
MIC2_ON
0
R/W
0: Microphone input 2 powered down
1: Microphone input 1 enabled
0
MIC1_ON
0
R/W
0: Microphone input 1 powered down
1: Microphone input 1 enabled
Revision 1v3
69
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