92HD66B IDT [Integrated Device Technology], 92HD66B Datasheet - Page 45

• 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.
5.2.
MixerOutVol
40-pin Package
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
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 11. 40-pin Package Functional Diagram
PCM to SPDIF OUT
PCM to SPDIF OUT
PCM to SPDIF OUT
SPDIF IN to PCM
SPDIF IN to PCM
SPDIF IN to PCM
Gain
Gain
Digital
Digital
Mute
Mute
Analog PC_BEEP
OR
OR
OR
mute
mute
mute
mute
mute
mute
vol
vol
DAC 0
DAC 1
vol
vol
vol
vol
vol
vol
DMIC0
DMIC1
DMIC0
DMIC1
Port A
Port B
Port C
Port F
Port A
Port B
Port C
Port F
Mixer
Mixer
DAC0
DAC1
Port A
Port B
Port C
Port F
SPDIF IN
SPDIF OUT1
GPIO 3
DMIC 1
SPDIF OUT0
GPIO 0
DMIC 1
Pin 37
Pin 38
Pin 40
DAC0
DAC1
45
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
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
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port A
Port B
Port C
Port F
DMIC_0
DMIC_1
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
Boost
Boost
DMIC
DMIC
HP
HP
LO
HP
Boost
Boost
Boost
Boost
Pin 38 or 40
PORT A
Pin Complex
Pins 21/22/32/33
PORT B
Pin Complex
Pins 24/25/35/36
PORT C
Pin Complex
Pins 14/15
PORT F
Pin Complex
Pins 12/13
DMIC_0
DMIC_1
Pin 3
Mic Bias
Mic Bias
Mic Bias
No Bias
V 1.0 2/12
92HD66B