92HD71B7 Datasheet, PDF (34/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS
-95.25 to 0dB
NID = 10h 0.75dB step
DAC0
NID = 28h
VOLUME KNOB
NID = 0Ah
DAC0
DAC1
MIXER
Port A
HP
-95.25 to 0dB
NID = 11h 0.75dB step
DAC1
NID = 26h
Digital
PC_BEEP
NID = 0Bh
BIAS
Port B
NID = 0Ch
BIAS
Port C
NID = 0Dh
DAC0
DAC1
MIXER
Port D
Azalia
Link
NID = 12h
ADC0
NID = 13h
ADC1
NID = 1Ch
Inport0 mux
ADC0 DMIC0
MUX DMIC1
Mixer
0 to 22.5dB
1.5dB step
ADC0 MUX
NID = 1Dh
Inport1 mux
ADC1 DMIC0
MUX DMIC1
Mixer
0 to 22.5dB
1.5dB step
ADC1 MUX
NID = 23h
VSW0
NID = 0Eh
BIAS
Port E
NID = 1Ah
INPORT0 _B
MUX
C
E
10/20/30/40
NID = 1Bh
INPORT1 _B
MUX
C
E
DAC0
DAC1
MIXER
NID = 0Fh
Port F
Mono
OutMux
Mono
OutMix
NID = 14h
Mono
Out
NID = 15h
NID = 16h
NID = 27h
Analog
PC_BEEP
10/20/30/40
Mixer
Σ
NID = 17h
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Inport0 mux
Inport1 mux
DAC0
DAC1
NID = 18h
-34.5 to +12dB in 1.5dB steps
DMIC0
10/20/30/40
NID = 19h
DMIC1
10/20/30/40
NID = 1Fh
Dig1Pin
NID = 21h
SPDIF
OUT0
NID = 22h
SPDIF
OUT1
ADC0 MUX
ADC1 MUX
ADC0 MUX
ADC1 MUX
NID = 24h
Dig0Mux
NID = 25h
Dig2Mux
NID = 1Eh
Dig0Pin
NID = 20h
Dig2Pin
Figure 11. 92HD71B Widget Diagram
IDT™ CONFIDENTIAL AND PROPRIETARY
34
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
PC AUDIO
V 0.9 07/07