92HD81B1C5NLGXYDX8 IDT, Integrated Device Technology Inc, 92HD81B1C5NLGXYDX8 Datasheet - Page 49
92HD81B1C5NLGXYDX8
Manufacturer Part Number
92HD81B1C5NLGXYDX8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.92HD81B1C5NLGXYDX8.pdf
(289 pages)
Specifications of 92HD81B1C5NLGXYDX8
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92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
4. FUNCTIONAL BLOCK DIAGRAMS
IDT™ CONFIDENTIAL
MixerOutVol
Mixer
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
Vol
ADC0
ADC1
ADC0
ADC1
TA revision, Port C is input only, if Output is needed use YD or UA
ADC0
ADC1
Σ
vol
vol
mute
mute
Digital
Digital
Mute
Mute
0 to +22.5 dB
In 1.5 dB steps
0 to +22.5 dB
In 1.5 dB steps
SPDIF OUT
SPDIF OUT
PCM to
PCM to
Gain
Gain
mute
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
Figure 10. Functional Block Diagram
DAC 0
DAC 1
vol
vol
vol
vol
vol
vol
vol
vol
SPDIF OUT1 (shared)
SPDIF OUT0
Pin 46
Pin 48
DAC0
DAC1
Port A
DAC0
DAC1
Port C
Port E
Port F
DMIC0
DMIC1
DMIC0
DMIC1
Port C
Port E
Port F
Port A
Port C
Port E
Port F
Port A
Mixer
Mixer
49
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
DAC0
DAC1
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
mute
DMIC_0
DMIC_1
0,-6,-12,-18dB
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port C
Port A
Port E
Port F
Digital Microphone volume and mute is
done after the ADC but shown here and in
widget list as same as analog path.
vol
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Boost
Boost
revision..
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
Cap-less
Analog PC_BEEP
BTL
DMIC
DMIC
Class-AB
HP
HP
LO
LO
LO
LO
Boost
Boost
Boost
Boost
V 0.987 11/09
DMIC_0
DMIC_1
(shared)
Pin 4
Pin 46
PORT A
Pin Complex
Pins 28/29
PORT B
Pin Complex
Pins 31/32
PORT C
Pin Complex
Pins 19/20
PORT D
Pin Complex
Pins 39/41/43/44
PORT E
Pin Complex
Pins 15/16
PORT F
Pin Complex
Pins 17/18
Mono
Pin Complex
Pin 27
Mic Bias
Mic Bias
92HD81
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