AD1987 查看數據表（PDF） - Analog Devices
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AD1987 Datasheet PDF : 20 Pages
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AD1987
HD AUDIO WIDGETS
In the following table, node IDs that are not shown are reserved for future use.
Node ID
00
01
02
03
04
05
06
08
09
0B
0C
0D
10
11
12
13
14
15
16
17
18
19
1A
1B
1D
1E
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2F
30
31
37
38
39
3A
3C
Name
Type ID Type
Description
ROOT
x
Root
Device identification
FUNCTION
x
S/PDIF DAC
0
Function
Audio Output
Designates this device as an audio codec
S/PDIF digital stream output interface
DAC_0
DAC_1
0
Audio Output
Headphone/surround side (7.1) channel digital/audio converters
0
Audio Output
Stereo front channel digital/audio converters
DAC_2
0
Audio Output
Stereo C/LFE channel digital/audio converters
DAC_3
0
ADC_0
1
ADC_1
1
S/PDIF Mix Selector 3
ADC Selector 0
3
ADC Selector 1
3
E Digital Beep
7
Port A (Headphone) 4
Port D (Front L/R) 4
T Mono Out
4
Port B (Front Mic) 4
Port C (Line In)
4
Port F (Surr Back) 4
E Port E (Rear Mic)
4
CD In
4
Mixer Power Down 5
Analog PCBeep
4
L S/PDIF Out
4
S/PDIF Mixer
2
Mono Out Mixer
2
Analog Mixer
2
O Mixer Output Atten 3
Port A Mixer
2
VREF Power Down
F
Port G (C/LFE)
4
S Port H (Surr Side) 4
Port E Mixer
2
Port G Mixer
2
Port H Mixer
2
B Port D Mixer
2
Port F Mixer
2
Port B Mixer
2
Port C Mixer
2
O Stereo Mix Down 2
Audio Output
Audio Input
Audio Input
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
Audio Mixer
Audio Mixer
Audio Mixer
Audio Selector
Audio Mixer
Vendor Defined
Pin Complex
Pin Complex
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Audio Mixer
Stereo surround-back (5.1) channel digital/audio converters
Stereo record Channel 1 audio/digital converters
Stereo record Channel 2 audio/digital converters
Selects which ADC drives the S/PDIF mixer
Selects and amplifies/attenuates the input to ADC_0
Selects and amplifies/attenuates the input to ADC_1
Internal digital PCBeep signal
Front panel headphone/microphone jack
Rear panel front/headphone jack
Monaural output pin (internal speakers or telephony system)
Front panel microphone/headphone jack
Rear panel line-in jack
Rear panel surround-rear (5.1) jack
Rear panel mic jack
Analog CD input
Powers down the analog mixer and associated amps
External analog PCBeep signal input
S/PDIF output pin
Mixes the selected ADC with the digital stream to drive S/PDIF out
Selects which source drives the mono out signal
Mixes individually gainable analog inputs
Attenuates the mixer output to drive the port mixers
Mixes the Port A Selected DAC and mixer output amps to drive Port A
Powers down the internal and external VREF circuitry
Rear panel C/LFE jack
Rear panel surround-side (7.1) jack
Mixes DAC_2 and mixer output amps to drive Port E
Mixes DAC_2 and mixer output amps to drive Port G
Mixes DAC_0 and mixer output amps to drive Port H
Mixes DAC_1 and mixer output amps to drive Port D
Mixes DAC_3 and mixer output amps to drive Port F
Mixes the Port B selected DAC and mixer output amps to drive Port B
Mixes the Port C selected DAC and mixer output amps to drive Port C
Mixes the stereo L/R channels to drive mono output
BIAS Power Down F
Vendor Defined Powers down the internal MIC_BIAS_FILT and all MIC_BIAS Pins
Port B Out Selector 3
Port C Out Selector 3
Audio Selector
Audio Selector
Selects the Port B DAC (0, 1)
Selects the Port C DAC (0, 3)
Port A Out Selector 3
Port A Boost
3
Audio Selector
Audio Selector
Selects the Port A DAC (0, 1)
Microphone boost amp for Port A
Port B Boost
3
Port C Boost
3
Audio Selector
Audio Selector
Microphone boost amp for Port B
Microphone boost amp for Port C
Port E Boost
3
Audio Selector Microphone boost amp for Port E
Rev. A | Page 12 of 20 | March 2008
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