
Ver.2004-08-26
NJU26108
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SRS CSII 5.1 & TruSurround XT Decoder
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General Description
The NJU26108 is a digital signal processor that provides the function of Circle
Surround II 5.1 / TruSurroundXT and Mono-to-Stereo.
The NJU26108 processes the stereo matrix-encoded signal into spacious sound of 5.1
channels by Circle Surround II 5.1. Also non matrix-encoded audio signal can be
processed into effective spacious sound.
The decoded 2-channel signal can be converted into spacious 2-channel virtual
surround output by the TruSurroundXT technology.
The applications of NJU26108 are suitable for multi-channel products such as DVD
Receivers, AV Amplifiers, TV, Car Audio or ordinary audio products such as small
speakers system.
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FEATURES
5.1-Channel signal outputs by Circle Surround II 5.1
2-Channel outputs by SRS TruSurroundXT
Mono-to-Stereo function
LFE by SRS TruBass
SRS Focus
Two kinds of micro computer interfaces
I
2
C bus ( standard-mode / 100Kbps )
Serial Interface (4 lines: Clock, Enable, Input data, Output data)
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Digital Signal Processor Specification
24bit Fixed-point Digital Signal Processing
Maximum System Clock Frequency
Digital Audio Interface
Master / Slave Mode
Master Mode MCK
: 38MHz
: 2 Input ports / 3 Output ports
:1/2 fclk, 1/3 fclk
ex. MCK = 384Fs(1/2) or MCK = 256Fs(1/3) at fclk=768Fs
Two kinds of micro computer interface
I
2
C bus (standard-mode/100kbps)
Serial interface (4 lines: clock, enable, input data, output data)
Power Supply
Package
The detail hardware specification of the NJU26108 is described in the “ NJU26100 Series Hardware Data
Sheet”.
: 2.5V ( 3.3V Input tolerant )
: QFP32-R1
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Package
NJU26108FR1