92HD91 Datasheet, PDF (53/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
5. WIDGET DIAGRAM
NID = 13h
-95.25 to 0dB
0.75dB step
DAC0
NID = 14h
-95.25 to 0dB
0.75dB step
DAC1
DAC0
DAC1
NID = 22h
VSW
D – Nodes are Digital Capable
DAC0
DAC1
MixerOutVol
Port A
DAC0
DAC1
MixerOutVol
HDA
Link
NID = 15h
ADC0
NID = 16h
ADC1
NID = 17h
ADC0
MUX
-16 to 30dB
1dB step
ADC0 MUX
NID = 18h
ADC1
MUX
-16 to 30dB
1dB step
ADC1 MUX
MixerOutVol
Mixer
NID = 1Ch
MixerOutVol
Mute Volume
-46.5 to 0dB
in 1.5dB steps
Mixer
Mixer
Port A
Port C
Port E
Port F
DMIC0
DMIC1
Mixer
Port A
Port C
Port E
Port F
DMIC0
DMIC1
DAC0
DAC1
MixerOutVol
NID = 1Bh

Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
-34.5 to +12dB
in 1.5dB steps
DAC0
DAC1
MixerOutVol
Port C
DAC0
DAC1
MixerOutVol
NID = 19h
Mono Mux
NID = 1Ah
Mono Mix
DAC0
DAC1
MixerOutVol
DAC0
DAC1
Port A
Port C
Port E
Port F
Port E
DAC0
DAC1
MixerOutVol
Port F
DMIC0
Analog*
NID = 0Ah
LO
Port A
IN VOL
10/20/30
BIAS
NID = 0Bh
HP
Port B
NID = 0Ch
LO
Port C
IN VOL
10/20/30
BIAS
NID = 0Dh
BTL
Port D
EQ
NID = 10h
LO
Mono
NID = 0Eh
LO
Port E
IN VOL
10/20/30
NID = 0Fh
LO
Port F
IN VOL
10/20/30
NID = 11h
DMIC0
10/20/30
NID = 1Dh
SPDIF
D ^OUT0
NID = 1Eh
SPDIF
D ^OUT1
Vendor Specific Test
ADC0 MUX
ADC1 MUX
Digital
Vendor Specific Test
ADC0 MUX
ADC1 MUX
DMIC1
Analog*
NID = 12h
DMIC1 VOL
(VSW)
10/20/30
Digital
To all ports enabled
as an output
NID = 21h
Digital
PC_BEEP
To all
ports
enabled
as an
output
Mute Volume
VSV
0,-6,-12,-18dB
PC_BEEP (Pin 12)
NID = 1Fh
Dig0Pin
D
NID = 20h
Dig1Pin
D
Digital
Figure 20. Widget Diagram
IDT™ CONFIDENTIAL
53
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 1.2 1/12
92HD91