92HD81 Datasheet, PDF (47/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS
Port C is input only on the TA revision. RA revision is output capable.
NID = 13h
-95.25 to 0dB
0.75dB step
DAC0
DAC0
DAC0
DAC1
MIXER
Port A
NID = 0Ah
HP
Port A
IN VOL
10/20/30
BIAS
NID = 14h
-95.25 to 0dB
0.75dB step
DAC1
DAC1
DAC0
DAC1
MIXER
NID = 0Bh
HP
Port B
HDA
Link
NID = 15h
ADC0
NID = 16h
ADC1
NID = 22h
Reserved
NID = 17h
0 to 22.5dB
1.5dB step
ADC0
MUX
NID = 18h
0 to 22.5dB
1.5dB step
ADC1
MUX
Mixer
Mixer
OutVol
NID = 1Ch
MixerOutVol
Mute Volume
-46.5 to 0dB
in 1.5dB steps
D – Nodes are Digital Capable
Mixer
DAC0
DAC1
MIXER
Port C
Port E
Port F
DMIC0
DMIC1
Mixer
Port A
DAC0
DAC1
MIXER
Port C
DAC0
DAC1
MIXER
NID = 0Ch
LO
Port C
IN VOL
10/20/30
BIAS
NID = 0Dh
BTL
Port D
Port C
Port E
Port F
DMIC0
DMIC1
Mixer
Port A
DAC0
DAC1
MIXER
Port E
DAC0
DAC1
MIXER
Port F
NID = 1Bh
NID = 0Eh
LO
Port E
IN VOL
10/20/30
NID = 0Fh
LO
Port F
IN VOL
10/20/30
BIAS

Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
-34.5 to +12dB
in 1.5dB steps
NID = 19h
NID = 1Ah
Mono mux
Mono mix
Port A
DAC0
DAC1
Port C
Port E
Port F
NID = 10h
LO
Mono
NID = 1Dh
SPDIF
D ^OUT0
NID = 1Eh
SPDIF
D ^OUT1
DMIC1
Analog*
NID = 1Fh
Digital
Dig0Pin
D
NID = 20h
Digital
Dig1Pin
D
NID = 12h
DMIC1 VOL
(VSW)
10/20/30
Digital
To all ports enabled
as an output
Mute Volume
VSV
0,-6,-12,-18dB
DMIC0
Analog*
To all ports enabled
as an output
PC_BEEP (Pin 12)
NID = 11h
DMIC0
10/20/30
NID = 21h
Digital
PC_BEEP
Figure 9. Widget Diagram
IDT CONFIDENTIAL
47
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81