NJU26108 Datasheet, PDF (1/6 Pages) New Japan Radio – SRS CSII 5.1 AND TruSurround XT Decoder

NJU26108
SRS CSII 5.1 & TruSurround XT Decoder
■ General Description
■Package
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.
NJU26108FR1
■ 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
I²C bus ( standard-mode / 100Kbps )
Serial Interface (4 lines: Clock, Enable, Input data, Output data)
■ Digital Signal Processor Specification
• 24bit Fixed-point Digital Signal Processing
• Maximum System Clock Frequency
: 38MHz
• Digital Audio Interface
: 2 Input ports / 3 Output ports
• Master / Slave Mode
• Master Mode MCK
:1/2 fclk, 1/3 fclk
ex. MCK = 384Fs(1/2) or MCK = 256Fs(1/3)
• Two kinds of micro computer interface
・ I²C bus (standard-mode/100kbps)
・ Serial interface (4 lines: clock, enable, input data, output data)
• Power Supply
: 2.5V ( 3.3V Input tolerant )
• Package
: QFP32-R1
at fclk=768Fs
The detail hardware specification of the NJU26108 is described in the “ NJU26100 Series Hardware Data
Sheet”.
Ver.2004-08-26
-1-