92hd89d Integrated Device Technology, 92hd89d Datasheet - Page 45
92hd89d
Manufacturer Part Number
92hd89d
Description
Eight Channel Hd Audio Codec Low Power Optimized For Ecr15b And Eup
Manufacturer
Integrated Device Technology
Datasheet
1.92HD89D.pdf
(365 pages)
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92HD89D
Eight channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
4. FUNCTIONAL BLOCK DIAGRAMS
4.1.
MixerOut
To all ports
enabled as
Vol
output
48QFP
DMIC_0
DMIC_1
-46.5 to 0 dB
In 1.5 dB steps
mute
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
Mixer
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
Vol
Digital
Digital
Digital
Mute
Mute
Mute
mute
Boost
Boost
-6,-12,-18, -24 dB
Σ
ADC0
ADC1
ADC0
ADC1
vol
DMIC
DMIC
ADC0
ADC1
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
ADC0
ADC1
Analog PC_BEEP
mute
mute
(Vendor Specific)
vol
vol
vol
vol
vol
vol
vol
vol
vol
DMIC_0
DMIC_1
+0 to +22.5 dB
In 1.5 dB steps
+0 to +22.5 dB
In 1.5 dB steps
Pin 4
Pin 30
Figure 10. 48QFP Functional Block Diagram
SPDIF OUT
Digital
Digital
Digital
Digital
Gain
Gain
Mute
Mute
Mute
Mute
PCM to
InMUX0
InMUX1
InMUX2
InMUX3
CD
SPDIF OUT
PCM to
SPDIF IN to
SPDIF OUT
vol
vol
Digital Microphone volume and mute is done
after the ADC but shown here and in widget list
as same as analog path.
PCM OR
PCM to
DAC 0
DAC 1
DAC 2
DAC 3
SPDIF OUT1
SPDIF OUT0
45
EAPD/
SPDIF_IN /
SPDIF OUT1
Pin 40
Pin 47
Pin 48
DMIC0
DMIC1
DMIC0
DMIC1
Port A
Port B
Port C
Port D
Port E
Port F
Port G
Port H
Port A
Port B
Port C
Port D
Port E
Port F
Port G
Port H
Mixer
Mixer
CD
CD
DAC0
DAC1
DAC2
DAC3
InMUX2
InMUX0
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port B
Port C
Port G
Port H
Port A
Port B
Port D
Port F
Port G
Port D
Port A
Port B
Port C
Port E
Port H
Port F
CD
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
InMUX1
InMUX3
+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
HP
HP
HP
LO
LO
LO
LO
LO
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Port A
Port E
Port G
Port H
DAC0
DAC1
DAC2
DAC3
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
V1.0 04/10
Mic Bias
Mic Bias
Mic Bias
Mic Bias
No Bias
No Bias
No Bias
No Bias
92HD89D
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