AD1988BJSTZ datasheet(12/20 Pages) AD

12 / 20 page

AD1988A/AD1988B

Rev. 0 | Page 12 of 20

HD AUDIO WIDGETS

Table 10.

Node

Name

Type

Description

ROOT

Root

Device identification

FUNCTION

Function

Designates this device as an audio codec

S/PDIF DAC

Audio output

S/PDIF digital stream output interface

DAC_0

Audio output

Stereo headphone channel digital/audio converters

DAC_1

Audio output

Stereo front channel digital/audio converters

DAC_2

Audio output

Stereo C/LFE channel digital/audio converters

DAC_3

Audio output

Stereo surround-back (5.1) channel digital/audio converters

S/PDIF ADC

Audio input

S/PDIF digital stream input interface

ADC_0

Audio input

Stereo record Channel 0 audio/digital converters

ADC_1

Audio input

Stereo record Channel 1 audio/digital converters

DAC_4

Audio output

Stereo surround-side (7.1) channel digital/audio converters

S/PDIF Mix Selector

Audio selector

Selects the ADC to drive the S/PDIF mixer

ADC Selector 0

Audio selector

Selects and amplifies/attenuates the input to ADC_0

ADC Selector 1

Audio selector

Selects and amplifies/attenuates the input to ADC_1

ADC Selector 2

Audio selector

Selects and amplifies/attenuates the input to ADC_2

ADC_2

Audio input

Stereo record Channel 2 audio/digital converters

Digital Beep

Beep generator

Internal digital PCBEEP signal

PORT-A

Pin complex

Front panel headphone jack

PORT-D

Pin complex

Rear panel front speaker jack

MONO_OUT

Pin complex

Monaural output pin (internal speakers or telephony system)

PORT-B

Pin complex

Front panel microphone jack

PORT-C

Pin complex

Rear panel line-in jack

PORT-F

Pin complex

Rear panel surround-back (5.1) jack

PORT-E

Pin complex

Rear panel microphone jack

CD IN

Pin complex

Analog CD input

Mixer Power-Down

Power widget

Powers down the analog mixer and associated amps

Analog PCBEEP

Pin complex

External analog PCBEEP signal input

S/PDIF Out

Pin complex

S/PDIF output pin

S/PDIF In

Pin complex

S/PDIF input pin

S/PDIF Mixer

Audio mixer

Mixes the selected ADC with the digital stream to drive S/PDIF out

MONO_OUT Mixer

Audio mixer

Selects the source that drives the MONO_OUT signal

Volume Knob

Vendor defined

Hardware volume knob

Analog Mixer

Audio mixer

Mixes individual gain analog inputs

Mixer Output Attenuator

Audio selector

Attenuates the mixer output to drive the port mixers

PORT-A Mixer

Audio mixer

Mixes the DAC_0 and mixer output amps to drive PORT-A

VREF Power-Down

Vendor defined

Powers down the internal and external VREF circuitry

PORT-G

Pin complex

Rear panel C/LFE jack

PORT-H

Pin complex

Rear panel surround-side (7.1) jack

PORT-E Mixer

Audio mixer

Mixes the PORT-E selected DAC and mixer output amps to drive PORT-E

PORT-G Mixer

Audio mixer

Mixes the DAC_3 and mixer output amps to drive PORT-G

PORT-H Mixer

Audio mixer

Mixes the DAC_4 and mixer output amps to drive PORT-H

PORT-D Mixer

Audio mixer

Mixes the DAC_1 and mixer output amps to drive PORT-D

PORT-F Mixer

Audio mixer

Mixes the DAC_2 and mixer output amps to drive PORT-F

PORT-B Mixer

Audio mixer

Mixes the PORT-B selected DAC and mixer output amps to drive PORT-B

PORT-C Mixer

Audio mixer

Mixes the PORT-C selected DAC and mixer output amps to drive PORT-C

Stereo Mix-Down

Audio mixer

Mixes the stereo L/R channels to drive MONO_OUT

BIAS Power-Down

Vendor defined

Powers down the internal MIC_BIAS_FILT and all MIC_BIAS pins

PORT-B Out Selector

Audio selector

Selects DAC_0, DAC_1, and DAC_3 for PORT-B

PORT-C Out Selector

Audio selector

Selects DAC_2 and DAC_4 for PORT-C

PORT-E Out Selector

Audio selector

Selects DAC_2 and DAC_4 for PORT-E

PORT-C In Selector

Audio selector

Selects from the PORT-C, PORT-G, and PORT-H inputs to the mixer input

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