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| D2-7XX83 Datasheet, PDF (16/32 Pages) Intersil Corporation – Powered Speaker Systems | |||
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Functional Block Diagram
D2-7xx83
SAI0 Port
(I2S/TDM)
SAI1 Port
(I2S/TDM)
SAI2 Port
SAI3 Port
(I2S/DSD/HDA/TDM) (I2S/TDM/DSD/ADC)
AIN0
AIN1
SPDIFRX0
SPDIFRX1
SPDIFTX
nRESET
nRSTOUT
PUMPHI
PUMPLO
PSSYNC
PSTEMP
PSCURR
PWMSYNC
IRQ[D:A]
4
GPIO[7:0]
8
4 Serial Audio Interface Ports
(4 Multifunction Data Type Receivers/Transceivers)
Stereo
ADC
2:1
MUX
2:1
MUX
S/PDIF
Rx
S/PDIF
Rx
HD Audio Interface
DSD Decimator
Engine
24-Bit Fixed-Point Digital Signal Processor with 56-Bit MAC
(Typical Signal Processing Blocks Contained Within Firmware Download)
Input Selection
Auto Detection
Audio Processing
& Virtualization
Algorithms
Firmware-Dependent
(D2Audio SoundSuiteâ¢,
3rd-Party Enhancements, etc.)
Compressed Audio Decoders
IC and Audio
System
Control
Interface
Sample Rate
Converters
Mixers / Routers
A/V Sync
Post-Processing (Tone Control,
D2Audio DigitalEQ for Speaker
Compensation & Content EQ,
Compressor/Limiter, Individual
Channel Delays)
Test
Power Supply
Timer
PLL
4 46 6 4 4
Amplifier Protection
12 Channel Pulse Width Modulator
Engine (via 18 Pins of Output)
Linear Interpolator
PWM Correction
Noise Shaper
Quantizer
Output Drive
Dual Port 2-Wire
(I2C-Compatible)
SPI Port
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
PWM16
PWM17
FIGURE 4. D2-7xx83 IC FUNCTIONAL BLOCK DIAGRAM
Submit Document Feedback 16
FN7838.3
April 28, 2016
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