IDT92HD91B1X5NLGXYAX8 IDT, Integrated Device Technology Inc, IDT92HD91B1X5NLGXYAX8 Datasheet - Page 53
IDT92HD91B1X5NLGXYAX8
Manufacturer Part Number
IDT92HD91B1X5NLGXYAX8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT92HD91B1X5NLGXYAX8.pdf
(298 pages)
Specifications of IDT92HD91B1X5NLGXYAX8
Lead Free Status / RoHS Status
Compliant
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92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
4. FUNCTIONAL BLOCK DIAGRAM
IDT™ CONFIDENTIAL
MixerOutVol_Dig
MixerOutVol
Mixer
mute
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Channel
Channel
Select
Select
Select
Select
Select
Select
Vol
ADC
-46.5 to 0 dB
In 1.5 dB steps
ADC0
ADC1
ADC0
ADC1
ADC0
ADC1
Σ
vol
vol
mute
mute
mute
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
Digital
Digital
Mute
Mute
-16 to +30 dB
In 1 dB steps
-16 to +30 dB
In 1 dB steps
SPDIF OUT
SPDIF OUT
vol
vol
vol
vol
vol
vol
Gain
Gain
PCM to
PCM to
DAC 0
Figure 19. Functional Block Diagram
DAC 1
vol
vol
Port A
Port C
Port E
Port F
DAC0
DAC1
MixerOutVol_Dig
SPDIF OUT1 (shared)
SPDIF OUT0
Pin 46
Pin 48
DAC0_Dig
DAC1_Dig
MixerOutVol_Dig
DAC0_Dig
DAC1_Dig
DAC0
DAC1
Digital PC Beep
DAC0_Dig
DAC1_Dig
DMIC0
DMIC1
DMIC0
DMIC1
Port A
Port C
Port E
Port F
Port A
Port C
Port E
Port F
Mixer
Mixer
Digital PC Beep
53
Analog Beep_Dig
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
Digital Microphone
volume and mute is
done after the ADC but
shown here and in
widget list as same as
analog path.
Analog Beep_Dig
Analog Beep_Dig
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
Analog Beep
Beep_Active
Σ
Mono mix
Stereo to
Σ
5-band
EQ
Σ
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
DMIC_0
DMIC_1
Port C
Port A
Port E
Port F
Bandpass
Highpass
mute
mute
Filter
Filter
0,-6,-12,-18dB
0,-6,-12,-18dB
Σ
Σ
Σ
Σ
Σ
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
vol
vol
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
Cap-less
controller
Clocking
DAC M
Digital
PWM
Boost
Boost
Detect/Convert
Class-D
BTL
HP
HP
LO
LO
LO
DMIC
DMIC
Boost
Boost
Boost
Boost
LO
Analog PC_BEEP
PORT A
Pin Complex
Pins 28/29
PORT B
Pin Complex
Pins 31/32
PORT C
Pin Complex
Pins 19/20
PORT D
Mono
Pin Complex
Pin 25
PORT E
Pin Complex
Pins 15/16
Pin Complex
Pins 40/41/43/44
PORT F
Pin Complex
Pins 17/18
Mic Bias
Mic Bias
DMIC_0
DMIC_1
(shared)
V 0.91 10/10
Pin 4
Pin 46
92HD91
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