92hdw74e Integrated Device Technology, 92hdw74e Datasheet - Page 39

• Manufacturer Part Number: 92hdw74e
• Description: 10-channel Hd Audio Codec, Dual Spdif
• Manufacturer: Integrated Device Technology

TEN CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
4. FUNCTIONAL BLOCK DIAGRAMS
92HDW74E
TEN CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
MixerOutVol
Stream &
Channel
Select
InMUX0
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Channel
Channel
Channel
Channel
Channel
Select
Select
Select
Select
Select
Select
Select
Select
Select
mute
-46.5 to 0 dB
In 1.5 dB steps
Digital
Digital
Digital
Mute
Mute
Mute
Mixer
ADC0
Vol
ADC1
Port A
Port B
Port D
Port F
ADC0
ADC1
ADC0
ADC1
mute
Σ
+0 to +22.5 dB
In 1.5 dB steps
InMUX1
mute
vol
vol
vol
vol
vol
Gain
+0 to +22.5 dB
In 1.5 dB steps
Digital
Digital
Digital
Digital
Digital
Gain
Mute
Mute
Mute
Mute
Mute
vol
Figure 11. Functional Block Diagram
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
SPDIF OUT
SPDIF OUT
vol
PCM to
PCM to
Port A
Port E
Port G
Port H
SPDIF IN to PCM
DAC 0
DAC 1
DAC 2
DAC 3
DAC 4
vol
vol
vol
vol
vol
DMIC0
DMIC1
Port A
Port B
Port C
Port D
Port E
Port G
Port H
Port F
Mixer
CD
InMUX2
CD
InMUX0
InMUX1
InMUX2
InMUX3
39
To all ports enabled as output
DAC0
DAC1
DAC2
DAC3
DAC4
Port A
Port B
Port C
Port D
Port E
Port G
Port H
Port F
DMIC
DMIC
Mixer
CD
0
1
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC0
DAC1
DAC2
DAC3
DAC4
Port C
Port G
Port H
Port B
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital Microphone
volume and mute is
done after the ADC
but shown here and
in widget list as
same as analog
path.
EAPD/SPDIF_IN
SPDIF OUT1
SPDIF OUT0
Pin 47
Pin 40
Pin 48
InMUX3
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port D
Port C
Port G
Port H
Port A
Port B
Port E
Port F
DMIC_0
DMIC_1
92HDW74E
CD
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
mute
-6,-12,-18, -24 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
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
DAC0
DAC1
DAC2
DAC3
Boost
Boost
vol
HP
HP
HP
LO
LO
LO
LO
LO
DMIC
DMIC
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Boost
(Vendor Specific)
Analog PC_BEEP
PORT D
Pin Complex
Pins 35/36
PORT A
Pin Complex
Pins 39/41
PORT B
Pin Complex
Pins 21/22
PORT C
Pin Complex
Pins 23/24
PORT E
Pin Complex
Pins 14/15
PORT F
Pin Complex
Pins 16/17
PORT G
Pin Complex
Pins 43/44
PORT H
Pin Complex
Pins 45/46
CD
Pin Complex
Pins 18/19/20
PC AUDIO
DMIC_0
DMIC_1
Mic Bias
Mic Bias
Mic Bias
Mic Bias
No Bias
No Bias
No Bias
No Bias
Pin 2
Pin 3
V 1.0 03/08
(Port I)