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AD1984 Datasheet(PDF) 16 Page - Analog Devices

Part No. AD1984
Description  High Definition Audio SoundMAX Codec
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1984 Datasheet(HTML) 16 Page - Analog Devices

 
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Rev. 0
|
Page 16 of 20
|
January 2007
AD1984
HD AUDIO WIDGETS
Table 5. HD Audio Widgets
Node ID
Name
Type ID
Type
Description
00
ROOT
x
Root
Device identification
01
FUNCTION
x
Function
Designates this device as an audio CODEC
02
S/PDIF DAC
0
Audio Output
S/PDIF digital stream output interface
03
DAC_0
0
Audio Output
Stereo headphone channel digital/audio converters
04
DAC_1
0
Audio Output
Stereo front channel digital/audio converters
05
Dig Mic Conv 1/2
1
Audio Input
Digital microphone Channel 1, 2 converters
06
Dig Mic Conv 3/4
1
Audio Input
Digital microphone Channel 3, 4 converters
07
Port A Mixer
2
Audio Mixer
Mixes the of DAC_(0, 1) and mixer output amps to drive Port A
08
ADC_0
1
Audio Input
Stereo record Channel 0 audio/digital converters
09
ADC_1
1
Audio Input
Stereo record Channel 1 audio/digital converters
0A
Port D Mixer
2
Audio Mixer
Mixes the DAC_1 and mixer output amps to drive Port D
0B
Port F Mixer
2
Audio Mixer
Mixes the DAC_(0, 1) and mixer output amps to drive Port F
0C
ADC Selector 0
3
Audio Selector
Selects and amplifies/attenuates the input to ADC_0
0D
ADC Selector 1
3
Audio Selector
Selects and amplifies/attenuates the input to ADC_1
0E
Mono Out Selector
3
Audio Selector
Selects the mono out DAC_(0, 1)
0F
Port F Out Selector
3
Audio Selector
Selects the Port F DAC_(0, 1)
10
Digital Beep
7
Beep Generator
Internal digital PCBeep signal
11
Port A (Headphone)
4
Pin Complex
Headphone jack pins
12
Port D (Line Out)
4
Pin Complex
Line out jack pins
13
Mono Out
4
Pin Complex
Monaural output pin (internal speakers or telephony system)
14
Port B (Mic In)
4
Pin Complex
Microphone in jack pins
15
Port C (Line In)
4
Pin Complex
Line in jack pins
16
Port F (Aux In/Out)
4
Pin Complex
Auxiliary I/O pins
17
Dig Mic 1/2 Pin
4
Pin Complex
Digital microphone 1, 2 input pin
18
Dig Mic 3/4 Pin
4
Pin Complex
Digital microphone 3, 4 input pin
19
Mixer Power Down
5
Power Widget
Powers down the analog mixer and associated amps
1A
Analog PCBeep
4
Pin Complex
External analog PCBeep signal input
1B
S/PDIF Out Pin
4
Pin Complex
S/PDIF output pin
1C
Port E (Dock I/O)
4
Pin Complex
Analog dock I/O pins
1D
VREF Power Down
F
Vendor Defined
Powers down the internal and external VREF circuitry
1E
Mono Out Mixer
2
Audio Mixer
Mixes the DAC_(0, 1) and mixer output amps to drive mono out
1F
Stereo Mix-Down
2
Audio Mixer
Mixes the stereo L/R channels to drive mono output
20
Analog Mixer
2
Audio Mixer
Mixes individually gainable analog inputs
21
Mixer Output Atten
3
Audio Selector
Attenuates the mixer output to drive the port mixers
22
Port A Out Selector
3
Audio Selector
Selects the Port A DAC_(0, 1)
23
Port E Out Selector
3
Audio Selector
Selects the Port E DAC_(0, 1)
24
Port E Mixer
2
Audio Mixer
Mixes the DAC_(0, 1) and mixer output amps to drive Port E
25
Port E Mic Boost
3
Audio Selector
0 dB, 10 dB, 20 dB, or 30 dB gain boost for Port E
26
BIAS Power Down
F
Vendor Defined
Powers down the internal MIC_BIAS_FILT and all MIC_BIAS pins


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