NJU26125

NJU26125 www.DataSheet4U.com ■ General Description Seat Positioning Surround Decoder ■Package The NJU26125 is a high performance 24-bit digital signal processor. The NJU26125 provides NJRC Original Car Surround technology. These kinds of sound functions are suitable for Car Audio that has four channel output speakers. ■ FEATURES - Software Seat Positioning Surround Car Surround Elevation Bass Enhance Input Trimmer 7 Band PEQ: PEQ, LPF, HPF, LSF, HSF Filter: HPF(SDO0/SDO1), LPF(SDO2) Simulated Stereo Master Volume & Channel Trimmer Navigation Voice Mix Trimmer NJU26125VC2 - Hardware 24bit Fixed-point Digital Signal Processing Maximum System Clock Frequency : 12.288MHz Max. built-in PLL Circuit Digital Audio Interface : 3 Input ports / 3 Output ports Digital Audio Format : I2S 24bit, Left- justified, Right-justified, BCK : 32/64fs Master / Slave Mode - Master Mode, MCK : 384fs @32kHz, 256fs @48kHz Host Interface : I2C bus (Fast-mode/400kbps) Power Supply : 3.3V Input terminal : 5V Input tolerant Package : SSOP24-C2 (Pb-Free) Ver.2010-07-01 -1- NJU26125 ■ Function Block Diagram SCL I C INTERFACE SDA PROGRAM CONTROL 24Bit x 24Bit MULTIPLIER ALU TIMING GENERATOR / PLL ADDRESS GENERATION UNIT SERIAL AUDIO INTERFACE 2 www.DataSheet4U.com 24Bit Fixed-point DSP Core SDI0-2 SDO0-2 BCK LR RESETb MCK CLKOUT CLK SLAVEb Internal Pow er (1.8V) WDC FIRMWARE ROM GPIO INTERFACE PROC PROC AD1 Built-in LDO VREGO External Low -ESR Capacitors Required ...