AD1884A Datasheet, PDF (12/20 Pages) Analog Devices – High Definition Audio SoundMAX Codec

AD1884A
HD AUDIO WIDGETS
Table 5. HD Audio Widgets¹
Node ID Name
Type ID Type
Description
0x00
0x01
0x02
0x03
0x04
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
ROOT
x
FUNCTION
x
S/PDIF DAC
0
DAC_0
0
DAC_1
0
Port A Mixer
2
ADC_0
1
ADC_1
1
Port D Mixer
2
Port F Mixer
2
ADC Selector 0
3
ADC Selector 1
3
Mono Out Selector 3
Port F Out Selector 3
Digital Beep
7
Port A (Headphone) 4
Port D (Line Out) 4
Mono Out
4
Port B (Mic In)
4
Port C (Line In)
4
Port F (Aux In/Out) 4
Mixer Power Down 5
Analog PCBeep
4
S/PDIF_Out
4
Port E (Dock I/O)
4
V_REF Power Down
F
Mono Out Mixer
2
Stereo Mix-Down 2
Analog Mixer
2
Mixer Output Atten 3
Port A Out Selector 3
Port E Out Selector 3
Port E Mixer
2
Port E Mic Boost
3
BIAS Power Down F
Root
Function
Audio Output
Audio Output
Audio Output
Audio Mixer
Audio Input
Audio Input
Audio Mixer
Audio Mixer
Audio Selector
Audio Selector
Audio Selector
Audio Selector
Beep Generator
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Pin Complex
Power Widget
Pin Complex
Pin Complex
Pin Complex
Vendor Defined
Audio Mixer
Audio Mixer
Audio Mixer
Audio Selector
Audio Selector
Audio Selector
Audio Mixer
Audio Selector
Vendor Defined
Device identification
Designates this device as an audio codec
S/PDIF digital stream output interface
Stereo headphone channel digital/audio converter
Stereo front channel digital/audio converter
Mixes the DAC_(0, 1) and analog mixer output to drive Port A
Stereo record Channel 0 audio/digital converters
Stereo record Channel 1 audio/digital converters
Mixes the DAC_1 and analog mixer output to drive Port D
Mixes the DAC_(0, 1) and analog mixer output to drive Port F
Selects and amplifies/attenuates the input to ADC_0
Selects and amplifies/attenuates the input to ADC_1
Selects the mono out DAC_(0, 1)
Selects the Port F DAC_(0, 1)
Internal digital PCBeep signal
Headphone jack pins
Line out jack pins
Monaural output pin (internal speakers or telephony system)
Microphone in jack pins
Line in jack pins
Auxiliary I/O pins
Powers down the analog mixer and associated amps
External analog PCBeep signal input
S/PDIF output pin
Analog dock I/O pins
Powers down the V_REF circuitry
Mixes the DAC_(0, 1) and analog mixer output to drive mono out
Mixes the stereo L/R channels to drive mono output
Mixes individually gainable analog inputs
Attenuates the analog mixer output to drive the port mixers
Selects the Port A DAC_(0, 1)
Selects the Port E DAC_(0, 1)
Mixes the DAC_(0, 1) and analog mixer output to drive Port E
0 dB, 10 dB, 20 dB, or 30 dB gain boost for Port E
Powers down the internal MIC_BIAS_FILT and all MIC_BIAS pins
1 _{All node IDs (NIDs) are sequential in the codec. Any NIDs missing from this table are vendor defined.}
Rev. 0 | Page 12 of 20 | March 2008