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PDF NJU26220 Data sheet ( Hoja de datos )

Número de pieza NJU26220
Descripción Dolby Virtual Speaker / Dolby Headphone / ProLoogic II / QFP48-N2
Fabricantes JRC 
Logotipo JRC Logotipo



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No Preview Available ! NJU26220 Hoja de datos, Descripción, Manual

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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
NJU26220FN2
FEATURES
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)
Digital Signal Processor Specification
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
Microcomputer Interface
: I2C Bus (Standard-mode/100kbps, Fast-mode/400kbps)
: 4-Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data)
Power Supply
: DSP Core : 1.8V
: I/O interface: 3.3V(+5.0V Input tolerant)
Package
: QFP48-N2 (Pb-Free)
Ver.2005-12-01
-1-

1 page




NJU26220 pdf
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1. Audio Interface
NJU26220
The serial audio interface carries audio data to and from the NJU26220. Industry standard serial data formats of
I2S, MSB-first left-justified or MSB-first right-justified are supported. Table 2 shows pin description of input pin and
output pin of NJU26220.
Table 2 Serial Audio Input/Output Pin Description
Pin No. Symbol
Description
47 SDI0
46 SDI1
Stereo L/R input
(Pin select)
45 SDI2
C/SW input
44 SDI3
SL/SR input
39 SDO0
Monitor output
38 SDO1
L/R output
37 SDO2
C/SW output
36 SDO3
SL/SR output
L/R: Front channel, C/SW: Center channel and Sub woofer, SL/SR: Surround channel.
Ver.2005-12-01
-5-

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