NJU26209
NJU26209 is DAEP Decoder manufactured by New Japan Radio.
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DAEP Decoder
General Description
The NJU26209 is a digital signal processor that provides the function of DAEP (Dolby Automotive Entertainment Program). A location of sound image forward is possible without a center speaker by all seats in the car. The applications of NJU26209 are suitable for Car Audio, Car Navigation system and other audio products.
- Package
Features
-Software DAEP (Dolby Automotive Entertainment Program) Pro Logic II Automotive (Advanced Surround Fader, Center Image Control) Bass Management Time Alignment Master Volume Input Trim Channel Trim -Hardware 24bit Fixed-point Digital Signal Processing Maximum Clock Frequency : 12.288MHz(Standard), built-in PLL Circuit Digital Audio Interface : 4 Input ports / 4 Output ports Digital Audio Format : I2S 24bit, left-justified, right-justified, BCK : 32fs/64fs Master / Slave Mode Microputer Interface I2C Bus (Standard-mode/100kbps, Fast-mode/400kbps) 4-Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data) Operating Voltage : VDD = VDDPLL = 1.8V : VDDIO = 3.3V Input Terminal : +5.0V Input tolerant Package : SSOP44 (Pb-Free)
NJU26209V
- The detail hardware specification of the NJU26209 is described in the “ NJU26200 Series Hardware Data Sheet”.
Ver.2008-12-04
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Hardware Block Diagram
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AD1/SDIN
AD2/SSb
DSP ARITHMETIC UNIT SCL/SCK SERIAL HOST INTERFACE PROGRAM CONTROL
SERIAL AUDIO INTERFACE BCKO BCKO LRO L/Rout
SDA/SDOUT
2424-BIT x 2424-BIT MULTIPLIER RESETb MCK CLK CLKOUT ALU
SDO SDO1 SDO2 SDO2 SDO3 SDO3 SDO0 SDO0 SDI0~3 SDI0~3 BCKI LRI
C/SWout C/SWout LM/RMout LB/RB /RBout
TIMING GENERATOR / PLL
Input Input ADDRESS ADDRESS GENERATION UNIT
PROC DATA RAM FIRMWARE ROM General I/O INTERFACE MUTEb SEL WDC
Fig. 1 NJU26209 Hardware Block Diagram
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Ver.2008-12-04
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Function Block Diagram
DAEP L SDI0 R L/R SDI1 Advanced Fader / Mixer LM SDI2 C/SW Input Trimmer LS SDI3 LS/RS RS Pro Logic II...