NJU26123

NJU26123 www.DataSheet4U.com ■ General Description Digital Signal Processor for TV ■Package The NJU26123 is a high performance 24-bit digital signal processor. The NJU26123 provides ‘NJRC Original Sound Enhancement’, ‘Lip sync Audio Delay’, 10band PEQ, HPF/LPF (FIR Filter), DRC, Tone Control, and Clipper. These kinds of sound functions are suitable for TV, mini-component, CD radio-cassette, speakers system and other audio products. ■ FEATURES - Software NJRC Original Sound Enhancement (3D sound, Dialogue Boost, Bass Enhance) Delay for Lip sync Audio Delay ( fs=48kHz : Max. 36msec, fs=44.1kHz : Max. 39msec, fs=32kHz : Max. 54msec ) 10Band PEQ HPF/LPF (FIR Filter) DRC (Dynamic Range Compression) : 2-bands independent operation Tone Control Clipper Master Volume WatchDog Clock Output NJU26123V - 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 (Pb-Free) Ver.2008-04-17 -1- NJU26123 www.DataSheet4U.com ■ Function Block Diagram SCL I C INTERFACE SDA PROGRAM CONTROL 24Bit x 24Bit MULTIPLIER ALU TIMING GENERATOR / PLL ADDRESS GENERATION UNIT SERIAL ...