92hd89c Integrated Device Technology, 92hd89c Datasheet - Page 41

• Manufacturer Part Number: 92hd89c
• Description: Six Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

92HD89C
Six channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
4. FUNCTIONAL BLOCK DIAGRAMS
IDT™ CONFIDENTIAL
4.1.
MixerOutVol
Stream &
48QFP
Channel
Select
InMUX0
To all ports enabled
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Channel
Channel
Select
Select
Select
Select
Select
Select
mute
-46.5 to 0 dB
In 1.5 dB steps
as output
Digital
Digital
Mute
Mute
Mixer
mute
Vol
+0 to +22.5 dB
In 1.5 dB steps
ADC1
ADC0
Gain
Port A
Port B
Port D
Port F
ADC0
ADC1
ADC0
ADC1
Σ
vol
mute
-6,-12,-18, -24 dB
mute
InMUX1
vol
vol
vol
+0 to +22.5 dB
In 1.5 dB steps
vol
Digital
Digital
Digital
Gain
Mute
Mute
Mute
Figure 9. 48QFP Functional Block Diagram
(Vendor Specific)
mute
mute
mute
mute
mute
Port G
DMIC0
Port A
Port B
Port C
Port D
Port E
Port F
Mixer
-34.5 to +12 dB
In 1.5 dB steps
Analog PC_BEEP
PCM to SPDIF OUT
PCM to SPDIF OUT
vol
CD
DAC 0
Port A
Port E
Port G
DAC 1
DAC 2
vol
vol
vol
vol
vol
CD
InMUX2
InMUX0
InMUX1
InMUX2
InMUX3
Port G
DMIC0
Port A
Port B
Port C
Port D
Port E
Port F
Mixer
CD
DAC0
DAC1
DAC2
41
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
DAC0
DAC1
DAC2
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.
Port B
Port C
Port G
EAPD/GPIO0/SPDIF OUT1
SPDIF OUT0
Pin 47
Pin 48
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port D
Port A
Port B
Port C
Port E
Port F
Port G
InMUX3
DMIC_0
CD
Σ
Σ
Σ
Σ
Σ
Σ
Σ
+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
Boost
DAC0
DAC1
DAC2
HP
HP
LO
LO
LO
LO
LO
Boost
Boost
Boost
Boost
Boost
Boost
Boost
DMIC
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
CD
Pin Complex
Pins 18/19/20
Mic Bias
Mic Bias
Mic Bias
No Bias
No Bias
No Bias
No Bias
DMIC_0
Pin 45
V 0.91 08/09
92HD89C