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