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