NJU26203 Datasheet | New Japan Radio

.. Dolby Pro Logic II Decoder General Description The NJU26203 is a digital signal processor that provides the function of Dolby Pro Logic II, Bass Management, Multi channel input, and 5-band PEQ function. The applications of NJU26203 are suitable for multi channel products such as Car Audio, small speakers system. - Package Features -Software Dolby Pro Logic II (Max 5.1ch Output) Bass Management Multi channel input 5-band PEQ Center Mixer, Rear Center Mixer Master Volume -Hardware 24bit Fixed-point Digital Signal Processing Maximum Clock Frequency : 12.288MHz(Standard), built-in PLL Circuit Digital Audio Interface : 4 Input ports / 4 Output ports Digital Audio Format : I2S 24bit, left-justified, right-justified, BCK : 32fs/64fs Master / Slave Mode Microputer Interface I2C Bus (Standard-mode/100kbps, Fast-mode/400kbps) 4-Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data) Operating Voltage : VDD = VDDPLL = 1.8V : VDDIO = 3.3V Input Terminal : +5.0V Input tolerant Package : SSOP44 (Pb-Free) NJU26203V - The detail hardware specification of the NJU26203 is described in the “ NJU26200 Series Hardware Data Sheet”. Ver.2008-12-10 -1- Hardware Block Diagram .. AD1/SDIN AD2/SSb DSP ARITHMETIC UNIT SCL/SCK SERIAL HOST INTERFACE PROGRAM CONTROL SERIAL AUDIO INTERFACE BCKO BCKO LRO L/Rout SDA/SDOUT 2424-BIT ｘ 2424-BIT MULTIPLIER RESETb MCK CLK CLKOUT ALU SDO SDO1 SDO2 SDO2 SDO3 SDO3 SDO0 SDO0 SDI0~3 SDI0~3 BCKI LRI C/SWout C/SWout LS/RS LS/RSout /RSout LB/RB /RBout TIMING GENERATOR / PLL Input Input ADDRESS ADDRESS GENERATION UNIT PROC DATA RAM FIRMWARE ROM General I/O INTERFACE MUTEb SEL WDC Fig. 1 NJU26203 Hardware Block Diagram -2- Ver.2008-12-10 .. Function Block Diagram 4 Stereo L/R->LS/RS SDI0 R 6 Stereo L/R->C/SW L/R->LS/RS Center Delay 5 Band PEQ L 5 Band PEQ...