92HD66B IDT [Integrated Device Technology], 92HD66B Datasheet - Page 44

• Manufacturer Part Number: 92HD66B
• Description: FOUR CHANNEL HD AUDIO CODECS
• Manufacturer: IDT [Integrated Device Technology]

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
5. FUNCTIONAL DIAGRAMS
5.1.
MixerOutVol
48-pin Package
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Stream &
Stream &
Stream &
Channel
Channel
Channel
Select
Select
Select
Select
Select
Select
Select
mute
Beep_Active
Analog Beep
-46.5 to 0 dB
In 1.5 dB steps
To all ports enabled as output
Digital
Digital
Digital
Mute
Mute
Mute
Mixer
Vol
ADC0
ADC1
ADC0
ADC1
ADC0
ADC1
mute
Σ
0,-6,-12,-18dB
vol
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
vol
vol
-16 to +30 dB
In 1 dB steps
-16 to +30 dB
In 1 dB steps
Detect/Convert
Figure 10. 48-pin Package Functional Diagram
Digital
Digital
Gain
Gain
PCM to SPDIF OUT
PCM to SPDIF OUT
Mute
Mute
SPDIF IN to PCM
Analog PC_BEEP
mute
mute
mute
mute
mute
mute
mute
vol
vol
DAC 0
DAC 1
vol
vol
vol
vol
vol
vol
vol
SPDIF IN
DMIC0
DMIC1
DMIC0
DMIC1
Port A
Port B
Port C
Port E
Port F
Port A
Port B
Port C
Port E
Port F
Mixer
Mixer
Pin 45
Pin 46
Pin 48
DAC0
DAC1
Port A
Port B
Port C
Port E
Port F
SPDIF OUT1
GPIO 3
DMIC 1
SPDIF OUT0
GPIO 0
DMIC 1
DAC0
DAC1
44
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
Digital Microphone
volume and mute is
done after the ADC
but shown here and
in widget list as
same as analog
path.
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port C
Port A
Port B
Port E
Port F
DMIC_0
DMIC_1
Σ
Σ
Σ
Σ
Σ
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
Boost
Boost
DMIC
DMIC
HP
HP
LO
LO
HP
Boost
Boost
Boost
Boost
Boost
Pin 46 or 48
DMIC_0
DMIC_1
PORT A
Pin Complex
Pins 28/29/40/41
PORT B
Pin Complex
Pins 31/32/43/44
PORT C
Pin Complex
Pins 19/20
PORT E
Pin Complex
Pins 15/16
PORT F
Pin Complex
Pins 17/18
Pin 4
Mic Bias
Mic Bias
Mic Bias
Mic Bias
No Bias
V 1.0 2/12
92HD66B