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NJU26220

JRC
Part Number NJU26220
Manufacturer JRC
Description Dolby Virtual Speaker / Dolby Headphone Decoder
Published Jun 13, 2009
Detailed Description NJU26220 Dolby Virtual Speaker / Dolby Headphone Decoder General Description The NJU26220 simulates a highly realistic...
Datasheet PDF File NJU26220 PDF File

NJU26220
NJU26220

Overview
NJU26220 Dolby Virtual Speaker / Dolby Headphone Decoder General Description The NJU26220 simulates a highly realistic 5.
1-speaker surround sound listening environment from as few as two speakers or headphone by Dolby® Virtual Speaker/Dolby®Headphone technology.
The NJU26220 processes the Dolby® Virtual Speaker and Dolby® Headphone technology that combined with Pro Logic II processing.
It includes Pro Logic II decoder.
Moreover, multi-channel signal inputs from an external decoder are possible.
It is suitable for digital TVs, stereo mini-components, PCs, and any audio/visual products.
■Package NJU26220FR3 Features -Software Dolby® Virtual Speaker Dolby® Headphone Dolby® Pro Logic II® (Max 5.
1ch Output) Multi-channel signals input (Max 5.
1ch Input) Monitor output Lip-Sync Delay function (Digital Audio Delay) -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 - In Master mode, MCK : 256fs @fs=48kHz / 384fs @fs=32kHz 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) * The detail hardware specification of the NJU26220 is described in the “ NJU26200 Series Hardware Data Sheet”.
Ver.
2010-05-17 -1- NJU26220 Block Diagram AD1/SDIN AD2/SSb NJU26220 SCL/SCK SDA/SDOUT RESETb MCK CLK CLKOUT SERIAL HOST INTERFACE 24bit Fixed-point DSP Core PROGRAM CONTROL ALU 24-BIT x 24-BIT MULTIPLIER TIMING GENERATOR / PLL ADDRESS GENERATION UNIT SERIAL AUDIO INTERFACE Monitor L/R C/SW SL/SR DATA RAM FIRMWARE ROM General I/O INTERFACE BCKO LRO SDO0 SDI* SDO1 SDO2 BCKI SDO3 LRI PROC MUTEb SEL WDC Fig.
1 NJU26220 Ha...


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