92hd91 Integrated Device Technology, 92hd91 Datasheet - Page 54

• Manufacturer Part Number: 92hd91
• Description: Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
5. WIDGET DIAGRAM
IDT™ CONFIDENTIAL
HDA
Link
MixerOutVol
DMIC1
NID = 15h
NID = 16h
D
D
Mixer
ADC0
ADC1
NID = 1Dh
NID = 1Eh
SPDIF
SPDIF
OUT0
OUT1
NID = 13h
NID = 14h
DAC0
DAC1
Analog*
MixerOutVol
in 1.5dB steps
-46.5 to 0dB
NID = 1Ch
Mute
-16 to 30dB
-16 to 30dB
-95.25 to 0dB
-95.25 to 0dB
0.75dB step
0.75dB step
Volume
1dB step
1dB step
NID = 12h
ADC0 MUX
ADC1 MUX
DMIC1 VOL
10/20/30
NID = 17h
NID = 18h
(VSW)
ADC0
ADC1
MUX
MUX
Mixer
DAC0
DAC1
Vendor Specific Test
ADC0 MUX
ADC1 MUX
Σ
Figure 20. Widget Diagram
DMIC0
DMIC1
DMIC0
DMIC1
Port C
Port C
Port A
Port E
Port F
Port A
Port E
Port F
Mixer
Mixer
Vendor Specific Test
ADC0 MUX
ADC1 MUX
NID = 1Bh
MixerOutVol
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
Mute Volume
D – Nodes are Digital Capable
-34.5 to +12dB
in 1.5dB steps
Digital
NID = 22h
DAC0
DAC1
54
VSW
Digital
Digital
Mono Mux
NID = 19h
DAC0
DAC1
Port A
Port C
Port E
Port F
enabled
output
To all
as an
ports
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
Port A
DMIC0
To all ports enabled
Port C
Port E
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
Port F
NID = 1Ah
Mono Mix
as an output
VSV
Analog*
Mute Volume
0,-6,-12,-18dB
10/20/30
10/20/30
10/20/30
10/20/30
NID = 0Ch
NID = 0Dh
D
D
NID = 0Ah
IN VOL
NID = 0Bh
IN VOL
NID = 0Eh
IN VOL
NID = 0Fh
IN VOL
PC_BEEP
NID = 1Fh
NID = 10h
NID = 11h
NID = 21h
NID = 20h
Dig0Pin
Dig1Pin
Port A
Port B
Port C
Port D
Port E
Digital
Port F
Mono
10/20/30
DMIC0
BIAS
BIAS
BTL
HP
EQ
LO
LO
LO
LO
LO
PC_BEEP (Pin 12)
V 0.91 10/10
92HD91