NJU26202

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 MULTIPLIE...