92hdw74c2 Integrated Device Technology, 92hdw74c2 Datasheet - Page 39

• Manufacturer Part Number: 92hdw74c2
• Description: Six Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

SIX CHANNEL HD AUDIO CODEC
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS
92HDW74C2
SIX CHANNEL HD AUDIO CODEC
HDA
Link
MixerOutVol
Mixer
NID = 1Ah
NID = 1Bh
ADC0
ADC1
NID = 25h
NID = 27h
SPDIF
SPDIF
OUT0
IN
NID = 15h
NID = 16h
NID = 17h
MixerOutVol
in 1.5dB steps
-46.5 to 0dB
DAC0
DAC1
DAC2
NID = 1Eh
Mute
ADC0 MUX
ADC1 MUX
Volume
-95.25 to 0dB
-95.25 to 0dB
-95.25 to 0dB
0 to 22.5dB
0 to 22.5dB
1.5dB step
1.5dB step
0.75dB step
0.75dB step
0.75dB step
ADC0 MUX
ADC1 MUX
NID = 20h
NID = 21h
Mixer
ADC0
ADC1
Σ
MUX
MUX
VOLUME KNOB
Figure 12. Widget Diagram
NID = 1Dh
DAC0
DAC1
DAC2
NID = 22h
NID = 24h
Dig0Pin
Dig2Pin
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
NID = 1Fh
DMIC0
DMIC1
DMIC0
DMIC1
Port A
Port B
Port C
Port D
Port E
Port G
Port H
Port A
Port B
Port C
Port D
Port E
Port G
Port H
-34.5 to +12dB
Port F
Port F
Mixer
Mixer
in 1.5dB steps
CD
CD
To all output enabled ports
NID = 1Ch
PC_BEEP
NID = 18h
NID = 19h
Digital
VSW0
VSW1
39
CD
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
NID = 28h
NID = 29h
NID = 2Ah
NID = 2Bh
INPORT0
INPORT1
INPORT2
INPORT3
MIXER
MIXER
Port G
DAC0
DAC1
DAC2
Port A
DAC0
DAC1
DAC2
Port B
DAC0
DAC1
DAC2
Port C
DAC0
DAC1
DAC2
Port D
DAC0
DAC1
DAC2
Port E
DAC0
DAC1
DAC2
Port F
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
Port H
VSV
MUX
MUX
MUX
MUX
RESERVED
-6,-12,-18, -24 dB
NID = 23h
Mute Volume
92HDW74C2
Port A
Port B
Port D
Port A
Port E
Port G
Port H
Port B
Port C
Port G
Port H
DAC 0
DAC 1
DAC 2
Port F
10/20/30
10/20/30
10/20/30
10/20/30
10/20/30
10/20/30
10/20/30
10/20/30
NID = 0Ah
NID = 0Bh
NID = 0Ch
NID = 0Dh
NID = 0Eh
IN VOL
IN VOL
IN VOL
IN VOL
IN VOL
NID = 0Fh
IN VOL
NID = 10h
IN VOL
NID = 11h
IN VOL
PC_BEEP (Pin 12)
Port A
Port B
Port C
Port D
Port E
Port G
Port H
Port F
RESERVED
NID = 26h
BIAS
BIAS
BIAS
BIAS
HP
HP
LO
HP
LO
LO
LO
LO
NID = 12h
NID = 13h
NID = 14h
(Port I)
10/20/30
10/20/30
CD
DMIC0
DMIC1
PC AUDIO
V 1.0 03/08