ad1988a Analog Devices, Inc., ad1988a Datasheet - Page 12

• Manufacturer Part Number: ad1988a
• Description: High Definition Audio Soundmax Codec
• Manufacturer: Analog Devices, Inc.

AD1988A/AD1988B
HD AUDIO WIDGETS
Table 10.
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
27
28
29
2A
2B
2C
2D
2F
30
31
32
33
ROOT
FUNCTION
S/PDIF DAC
DAC_0
DAC_1
DAC_2
DAC_3
S/PDIF ADC
ADC_0
ADC_1
DAC_4
S/PDIF Mix Selector
ADC Selector 0
ADC Selector 1
ADC Selector 2
ADC_2
Digital Beep
PORT-A
PORT-D
MONO_OUT
PORT-B
PORT-C
PORT-F
PORT-E
CD IN
Mixer Power-Down
Analog PCBEEP
S/PDIF Out
S/PDIF In
S/PDIF Mixer
MONO_OUT Mixer
Volume Knob
Analog Mixer
Mixer Output Attenuator
PORT-A Mixer
VREF Power-Down
PORT-G
PORT-H
PORT-E Mixer
PORT-G Mixer
PORT-H Mixer
PORT-D Mixer
PORT-F Mixer
PORT-B Mixer
PORT-C Mixer
Stereo Mix-Down
BIAS Power-Down
PORT-B Out Selector
PORT-C Out Selector
PORT-E Out Selector
PORT-C In Selector
Name
Type
Root
Function
Audio output
Audio output
Audio output
Audio output
Audio output
Audio input
Audio input
Audio input
Audio output
Audio selector
Audio selector
Audio selector
Audio selector
Audio input
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
Audio mixer
Audio mixer
Vendor defined
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
Vendor defined
Audio selector
Audio selector
Audio selector
Audio selector
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
Stereo C/LFE channel digital/audio converters
Stereo surround-back (5.1) channel digital/audio converters
S/PDIF digital stream input interface
Stereo record Channel 0 audio/digital converters
Stereo record Channel 1 audio/digital converters
Stereo surround-side (7.1) channel digital/audio converters
Selects the ADC to drive the S/PDIF mixer
Selects and amplifies/attenuates the input to ADC_0
Selects and amplifies/attenuates the input to ADC_1
Selects and amplifies/attenuates the input to ADC_2
Stereo record Channel 2 audio/digital converters
Internal digital PCBEEP signal
Front panel headphone jack
Rear panel front speaker jack
Monaural output pin (internal speakers or telephony system)
Front panel microphone jack
Rear panel line-in jack
Rear panel surround-back (5.1) jack
Rear panel microphone jack
Analog CD input
Powers down the analog mixer and associated amps
External analog PCBEEP signal input
S/PDIF output pin
S/PDIF input pin
Mixes the selected ADC with the digital stream to drive S/PDIF out
Selects the source that drives the MONO_OUT signal
Hardware volume knob
Mixes individual gain analog inputs
Attenuates the mixer output to drive the port mixers
Mixes the DAC_0 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 the PORT-E selected DAC and mixer output amps to drive PORT-E
Mixes the DAC_3 and mixer output amps to drive PORT-G
Mixes the DAC_4 and mixer output amps to drive PORT-H
Mixes the DAC_1 and mixer output amps to drive PORT-D
Mixes the DAC_2 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_OUT
Powers down the internal MIC_BIAS_FILT and all MIC_BIAS pins
Selects DAC_0, DAC_1, and DAC_3 for PORT-B
Selects DAC_2 and DAC_4 for PORT-C
Selects DAC_2 and DAC_4 for PORT-E
Selects from the PORT-C, PORT-G, and PORT-H inputs to the mixer input
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