Rev. 0

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Page 12 of 18

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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

F

Vendor Defined

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