92HD65C Datasheet, PDF (44/268 Pages) Integrated Device Technology – SIX CHANNEL HD AUDIO CODECS

92HD65C
SIX CHANNEL HD AUDIO CODEC WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
5. FUNCTIONAL DIAGRAMS
Stream &
Channel
Select
Digital
Mute
Stream &
Channel
Select
Digital
Mute
Stream &
Channel
Select
Digital
Mute
ADC0
ADC1
ADC0
ADC1
Stream &
Channel
Select
Stream &
Channel
Select
Stream &
Channel
Select
Stream &
Channel
Select
ADC0
Stream &
Channel
Select
ADC1
SPDIF IN to PCM
PCM to SPDIF OUT
PCM to SPDIF OUT
vol
Digital
Mute
DAC 0
vol
Digital
Mute
DAC 1
vol
Digital
Mute
DAC 2
-16 to +30 dB
In 1 dB steps
mute
Gain
vol
-16 to +30 dB
In 1 dB steps
mute
Gain
vol
SPDIF IN
Pin 45
SPDIF OUT1
GPIO 3
DMIC 1
Pin 46
SPDIF OUT0
GPIO 0
DMIC 1
Pin 48
Digital PC Beep
MixerOutVol
DAC0
DAC1
DAC2
Digital PC Beep
MixerOutVol
DAC0
DAC1
DAC2
Digital PC Beep
Analog Beep

Port A
Analog Beep

Port B
Analog Beep
HP
Boost
+0/+10/+20/+30 dB
HP
Boost
+0/+10/+20/+30 dB
DAC0
MixerOutVol
DAC0
DAC1
DAC2
Digital PC Beep

Port C
Analog Beep
LO
Boost
+0/+10/+20/+30 dB
DAC1
MixerOutVol
DAC0
DAC1
DAC2
Digital PC Beep

Port E
Analog Beep
LO
Boost
+0/+10/+20/+30 dB
DAC2
Mixer
Port A
Port B
Port C
Port E
Port F
DMIC0
DMIC1
MixerOutVol
DAC0
DAC1
DAC2

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.
+0/+10/+20/+30 dB
DMIC_0
Boost
DMIC
DMIC_1
Boost
DMIC
+0/+10/+20/+30 dB
Mixer
Port A
Port B
Port C
Port E
Port F
DMIC0
DMIC1
Mixer
MixerOutVol
mute
Vol
-46.5 to 0 dB
In 1.5 dB steps
mute
vol
mute
vol

mute
vol
mute
vol
mute
vol
mute
vol
mute
vol
-34.5 to +12 dB
In 1.5 dB steps
DAC0
DAC1
Port A
Port B
Port C
Port E
Port F
Beep_Active
Detect/Convert
Analog Beep
mute vol
0,-6,-12,-18dB
To all ports enabled as output
Analog PC_BEEP
Figure 10. 40-pin Package Functional Diagram
IDT CONFIDENTIAL
44
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
Mic Bias
PORT A
Pin Complex
Pins 28/29/40/41
Mic Bias
PORT B
Pin Complex
Pins 31/32/43/44
Mic Bias
PORT C
Pin Complex
Pins 19/20
Mic Bias
PORT E
Pin Complex
Pins 15/16
No Bias
PORT F
Pin Complex
Pins 17/18
DMIC_0
Pin 4
DMIC_1
Pin 46 or 48
V 0.91 10/11
92HD65C