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AD1987 Datasheet(PDF) 12 Page - Analog Devices

Part No. AD1987
Description  High Definition Audio SoundMAX Codec
Download  18 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD1987 Datasheet(HTML) 12 Page - Analog Devices

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Rev. 0
|
Page 12 of 18
|
May 2007
AD1987
HD AUDIO WIDGETS
In the following table, node IDs that are not shown are reserved for future use.
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
Headphone/surround side (7.1) channel digital/audio converters
04
DAC_1
0
Audio Output
Stereo front channel digital/audio converters
05
DAC_2
0
Audio Output
Stereo C/LFE channel digital/audio converters
06
DAC_3
0
Audio Output
Stereo surround-back (5.1) channel digital/audio converters
08
ADC_0
1
Audio Input
Stereo record Channel 1 audio/digital converters
09
ADC_1
1
Audio Input
Stereo record Channel 2 audio/digital converters
0B
S/PDIF Mix Selector
3
Audio Selector
Selects which ADC drives the S/PDIF mixer
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
10
Digital Beep
7
Beep Generator
Internal digital PCBeep signal
11
Port A (Headphone)
4
Pin Complex
Front panel headphone/microphone jack
12
Port D (Front L/R)
4
Pin Complex
Rear panel front/headphone jack
13
Mono Out
4
Pin Complex
Monaural output pin (internal speakers or telephony system)
14
Port B (Front Mic)
4
Pin Complex
Front panel microphone/headphone jack
15
Port C (Line In)
4
Pin Complex
Rear panel line-in jack
16
Port F (Surr Back)
4
Pin Complex
Rear panel surround-rear (5.1) jack
17
Port E (Rear Mic)
4
Pin Complex
Rear panel mic jack
18
CD In
4
Pin Complex
Analog CD input
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
4
Pin Complex
S/PDIF output pin
1D
S/PDIF Mixer
2
Audio Mixer
Mixes the selected ADC with the digital stream to drive S/PDIF out
1E
Mono Out Mixer
2
Audio Mixer
Selects which source drives the mono out signal
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 Mixer
2
Audio Mixer
Mixes the Port A Selected DAC and mixer output amps to drive Port A
23
VREF Power Down
F
Vendor Defined
Powers down the Internal and external VREF circuitry
24
Port G (C/LFE)
4
Pin Complex
Rear panel C/LFE jack
25
Port H (Surr Side)
4
Pin Complex
Rear panel surround-side (7.1) jack
26
Port E Mixer
2
Audio Mixer
Mixes DAC_2 and mixer output amps to drive Port E
27
Port G Mixer
2
Audio Mixer
Mixes DAC_2 and mixer output amps to drive Port G
28
Port H Mixer
2
Audio Mixer
Mixes DAC_0 and mixer output amps to drive Port H
29
Port D Mixer
2
Audio Mixer
Mixes DAC_1 and mixer output amps to drive Port D
2A
Port F Mixer
2
Audio Mixer
Mixes DAC_3 and mixer output amps to drive Port F
2B
Port B Mixer
2
Audio Mixer
Mixes the Port B selected DAC and mixer output amps to drive Port B
2C
Port C Mixer
2
Audio Mixer
Mixes the Port C selected DAC and mixer output amps to drive Port C
2D
Stereo Mix Down
2
Audio Mixer
Mixes the stereo L/R channels to drive mono output
2F
BIAS Power Down
F
Vendor Defined
Powers down the internal MIC_BIAS_FILT and all MIC_BIAS Pins
30
Port B Out Selector
3
Audio Selector
Selects the Port B DAC (0, 1)
31
Port C Out Selector
3
Audio Selector
Selects the Port C DAC (0, 3)
37
Port A Out Selector
3
Audio Selector
Selects the Port A DAC (0, 1)
38
Port A Boost
3
Audio Selector
Microphone boost amp for Port A
39
Port B Boost
3
Audio Selector
Microphone boost amp for Port B
3A
Port C Boost
3
Audio Selector
Microphone boost amp for Port C
3C
Port E Boost
3
Audio Selector
Microphone boost amp for Port E


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