NJU26040

NJU26040 Series NJU26040 Series Data Sheet ■ General Description The NJU26040 Series a Digital Signal Processor with built-in OTP (One Time Programmable). By the DSP with built-in OTP, customization is possible from various sound technology. The NJU26040 Series is suitable for TV, mini-component, speakers system and other audio products. This DSP can constitute a small system by combining a CODEC. ■ Package NJU26040V ■ FEATURES 24bit Fixed-point Digital Signal Processing System Clock Frequency : Maximum 38MHz Digital Audio Interface Digital Audio Format : 3 Input ports / 3Output ports : I2S 24bit, Left- justified, Right-justified, BCK : 32/64fs Master / Slave Mode Serial Host Interface : In Master mode, MCK : 768/384/256fs : I2C bus (Standard-mode/100kbps, First-mode/400kbps) : 4-Wire Serial bus (Clock, Enable, Input data, Output data) Power Supply : 3.3 V Input terminal : 5.0V Input tolerant Package : SSOP32 ( Pb-Free ) ■ Block Diagram S C L/SC K SD A /S D O U T RESETb MCK CLKOUT CLK A D 1/SD IN A D 2/SSb S E R IA L HOST IN TERFACE 24bit Fix ed-point D SP C ore PROGRAM CONTROL ALU 24 -B IT x 24-B IT M U LTIPLIER TIM IN G GENERATOR ADDRESS G EN ERATIO N U N IT SERIAL AUDIO IN TERFACE BCKO LRO SDO0 SDI [2 :0 ] SDO1 SDO2 BCKI LRI DATA RAM FIRM W ARE O TP/R A M G eneral I/O IN TERFACE G PIO 3 G PIO 2 G PIO 1 G PIO 0 Fig.1 NJU26040 Hardware Block Diagram Ver.2007-02-26 -1- NJU26040 Series ■ Pin Configuration VDD SDA / SDOUT ...