92hd83 Integrated Device Technology, 92hd83 Datasheet - Page 48

• Manufacturer Part Number: 92hd83
• Description: Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
4. FUNCTIONAL BLOCK DIAGRAMS
92HD83
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Channel
Channel
Channel
MixerOutVol
Mixer
Select
Select
Select
Select
Select
Select
Select
mute
-46.5 to 0 dB
In 1.5 dB steps
ADC0
ADC1
ADC0
ADC1
Vol
ADC0
ADC1
Σ
vol
vol
vol
mute
mute
Digital
Digital
Digital
Mute
Mute
Mute
SPDIF OUT
SPDIF OUT
0 to +22.5 dB
In 1.5 dB steps
0 to +22.5 dB
In 1.5 dB steps
PCM to
PCM to
Gain
Gain
DAC 0
DAC 1
DAC 2
Figure 11. Functional Block Diagram
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
vol
vol
SPDIF OUT1 (shared)
SPDIF OUT0
Pin 46
Pin 48
vol
vol
vol
vol
vol
DAC0
DAC1
DAC2
DMIC0
DMIC1
DMIC0
DMIC1
Port C
Port E
Port F
Port C
Port E
Port F
Mixer
Mixer
Port C
Port E
DAC0
DAC1
Port F
48
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
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
mute
0,-6,-12,-18dB
92HD83
Port C
Port E
Port F
DMIC_0
DMIC_1
vol
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Digital Microphone volume and mute is
done after the ADC but shown here and in
widget list as same as analog path.
+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
Cap-less
Cap-less
Boost
Boost
Analog PC_BEEP
BTL
Class-AB
HP
HP
LO
LO
LO
LO
Boost
Boost
Boost
DMIC
DMIC
PC AUDIO
V 0.96 01/09
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
DMIC_0
DMIC_1
(shared)
Pin 4
Pin 46