92HD66C IDT [Integrated Device Technology], 92HD66C Datasheet - Page 44

• Manufacturer Part Number: 92HD66C
• Description: SIX CHANNEL HD AUDIO CODECS
• Manufacturer: IDT [Integrated Device Technology]

92HD66C
SIX CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
IDT CONFIDENTIAL
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
5. FUNCTIONAL DIAGRAMS
5.1.
MixerOutVol
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Channel
Channel
Channel
Stream &
Select
Select
Channel
Select
Select
Select
Select
Select
Select
mute
-46.5 to 0 dB
In 1.5 dB steps
48-Pin Package
Digital
Digital
Digital
Mute
Mute
Mute
Mixer
Vol
ADC0
ADC1
ADC0
ADC1
ADC0
ADC1
Σ
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
vol
vol
vol
-16 to +30 dB
In 1 dB steps
-16 to +30 dB
In 1 dB steps
Gain
Gain
Digital
Digital
Mute
Mute
Digital
Mute
Figure 10. 48-pin Package Functional Diagram
PCM to SPDIF OUT
PCM to SPDIF OUT
SPDIF IN to PCM
mute
mute
mute
mute
mute
mute
mute
vol
vol
DAC 0
DAC 1
DAC 2
vol
vol
vol
vol
vol
vol
vol
DMIC0
DMIC1
DMIC0
DMIC1
Port C
Port C
Port A
Port B
Port E
Port F
Port A
Port B
Port E
Port F
Mixer
Mixer
Port C
DAC0
DAC1
Port A
Port B
Port E
Port F
SPDIF IN
SPDIF OUT1
GPIO 3
DMIC 1
SPDIF OUT0
GPIO 0
DMIC 1
Pin 45
Pin 46
Pin 48
DAC0
DAC1
DAC2
44
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC2
DAC2
DAC2
DAC2
DAC2
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
Beep_Active
Analog Beep
To all ports enabled as output
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port A
Port B
Port C
Port E
Port F
DMIC_0
DMIC_1
mute
Σ
Σ
Σ
Σ
Σ
0,-6,-12,-18dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
vol
+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
Detect/Convert
DMIC
DMIC
HP
HP
HP
LO
LO
Boost
Boost
Boost
Boost
Boost
Analog PC_BEEP
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
92HD66C