92HD66C Datasheet, PDF (45/291 Pages) Integrated Device Technology – SIX CHANNEL HD AUDIO CODECS

92HD66C
SIX CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
5.2. 40-Pin Package
Stream &
Channel
Select
Digital
Mute
Stream &
Channel
Select
Digital
Mute
Stream &
Channel
Select
Digital
Mute
ADC0
ADC1
ADC0
ADC1
Stream &
Channel
Select
SPDIF IN to PCM
OR
PCM to SPDIF OUT
SPDIF IN to PCM
OR
PCM to SPDIF OUT
SPDIF IN to PCM
OR
PCM to SPDIF OUT
vol
Digital
Mute
DAC 0
SPDIF IN
Pin 37
SPDIF OUT1
GPIO 3
DMIC 1
Pin 38
SPDIF OUT0
GPIO 0
DMIC 1
Pin 40
Digital PC Beep
MixerOutVol
DAC0
DAC1
DAC2
Digital PC Beep
MixerOutVol
DAC0
DAC1
DAC2
DAC0
Digital PC Beep
MixerOutVol
DAC0
DAC1
DAC2
Analog Beep
Σ
Port A
Analog Beep
Σ
Port B
Analog Beep
Σ
Port C
HP
Boost
+0/+10/+20/+30 dB
HP
Boost
+0/+10/+20/+30 dB
LO
Boost
+0/+10/+20/+30 dB
Mic Bias
PORT A
Pin Complex
Pins 21/22/32/33
Mic Bias
PORT B
Pin Complex
Pins 24/25/35/36
Mic Bias
PORT C
Pin Complex
Pins 14/15
Stream &
Channel
Select
vol
Digital
Mute
DAC 1
DAC1
Stream &
Channel
Select
vol
Digital
Mute
DAC 2
DAC1
Stream &
Channel
Select
ADC0
-16 to +30 dB
In 1 dB steps
mute
Gain
vol
Stream &
Channel
Select
ADC1
-16 to +30 dB
In 1 dB steps
mute
Gain
vol
Mixer
MixerOutVol
mute
Vol
-46.5 to 0 dB
In 1.5 dB steps
Σ
mute vol
mute vol
mute vol
mute vol
mute vol
mute vol
Mixer
Port A
Port B
Port C
Port F
DMIC0
DMIC1
Mixer
Port A
Port B
Port C
Port F
DMIC0
DMIC1
DAC0
DAC1
Port A
Port B
Port C
Port F
Digital PC Beep
MixerOutVol
DAC0
DAC1
DAC2
Analog Beep
Σ
Port F
HP
Boost
+0/+10/+20/+30 dB
Digital Microphone
volume and mute is
done after the ADC
but shown here and
in widget list as
same as analog
path.
DMIC_0
DMIC_1
+0/+10/+20/+30 dB
Boost
DMIC
Boost
DMIC
+0/+10/+20/+30 dB
-34.5 to +12 dB
In 1.5 dB steps
No Bias
PORT F
Pin Complex
Pins 12/13
DMIC_0
Pin 3
DMIC_1
Pin 38 or 40
Beep_Active
Detect/Convert
Analog Beep
mute vol
0,-6,-12,-18dB
To all ports enabled as output
Analog PC_BEEP
Figure 11. 40-pin Package Functional Diagram
IDT CONFIDENTIAL
45
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92HD66C