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NJU26202

JRC
Part Number NJU26202
Manufacturer JRC
Description Digital Signal Processor
Published Jun 13, 2009
Detailed Description NJU26202 Digital Signal Processor for Car Audio General Description The NJU26202 is a digital signal processor that pr...
Datasheet PDF File NJU26202 PDF File

NJU26202
NJU26202

Overview
NJU26202 Digital Signal Processor for Car Audio General Description The NJU26202 is a digital signal processor that provides the function of Circle Surround Automotive, Hall Simulator, 7Band PEQ / GEQ, and Time Alignment.
The applications of NJU26202 are suitable for multi-channel products such as Car Audio small speakers system.
■Package NJU26202FR3 Features -Software SRS Circle Surround Automotive TruBass FOCUS Hall Simulator 7Band PEQ / GEQ Time Alignment Sampling Frequency - 16kHz/22.
05kHz/24kHz/32kHz/44.
1kHz/48kHz (Stereo Input Mode and Multi Input Mode) - 32kHz/44.
1kHz/48kHz (CS Auto Mode) -Hardware 24bit Fixed-point Digital Signal Processing Maximum Clock Frequency : 12.
288MHz(Standard), built-in PLL Circuit Digital Audio Interface : 4 Input ports / 3 Output ports Digital Audio Format : I2S 24bit, left-justified, right-justified, Master / Slave Mode Microcomputer Interface - I2C Bus (Standard-mode/100kbps, Fast-mode/400kbps) - 4 -Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data) Operating Voltage Input Terminal : VDD = VDDPLL = 1.
8V : VDDIO = 3.
3V : 5.
0V Input tolerant Package : LQFP48-R3 (Pb-Free) BCK : 32fs/64fs * The detail hardware specification of the NJU26202 is described in the “ NJU26200 Series Hardware Data Sheet”.
Block Diagram Ver.
2010-05-17 -1- NJU26202 AD1/SDIN AD2/SSb NJU26202 SCL/SCK SDA/SDOUT RESETb MCK CLK CLKOUT SERIAL HOST INTERFACE 24bit Fixed-point DSP Core PROGRAM CONTROL ALU 24-BIT x 24-BIT MULTIPLIER TIMING GENERATOR / PLL ADDRESS GENERATION UNIT SERIAL AUDIO INTERFACE FL/FR C/SW RL/RR DATA RAM FIRMWARE ROM General I/O INTERFACE BCKO LRO SDO1 SDO2 SDO3 SDIO-3 BCKI LRI PROC MUTEb SEL WDC Fig.
1 NJU26202 Hardware Block Diagram Function Block Diagram IN SDI0 L/R SDI1 Input Trim C/SW SDI2 Multi Input Mode SDI0 or SDI1, SDI2 , SDI3 CSAuto Mode SDI0 or SDI1 Phantom Center L/R , C/SW , LS/RS CS Auto L/R C/SW LS/RS LS/RS SDI3 Stereo Input Mode SDI0 or SDI1 PEQ/GEQ 7Band Front L...


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