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PDF NJU26208 Data sheet ( Hoja de datos )
| Número de pieza | NJU26208 | |
| Descripción | SRS Circle Surround Automotive & TruSurround XT / QFP48-N2 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJU26208 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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NJU26208
SRS CS Auto & CSII 5.1 & TruSurround XT Decoder
General Description
■ Package
The NJU26208 is a digital signal processor that provides the function of Circle Surround
Automotive / Circle SurroundII5.1 / TruSurroundXT and Mono-to-Stereo.
The NJU26208 processes the stereo matrix-encoded signal into spacious sound of
5.1channels by Circle SurroundII5.1. 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 NJU26208 are suitable for multi-channel products such as
DVD Receivers, AV Amplifiers, TV, Car Audio or ordinary audio products such as
small speakers system.
NJU26208FN2
FEATURES
- Software
• SRS Circle Surround Automotive for Car Audio
• 5.1-Channel signal outputs by Circle Surround II 5.1
• 2-Channel outputs by SRS TruSurround XT
• Speaker sound elevation by Focus
• Rich low frequency reproduction by TruBass
• Generating 5.1-channel outputs from mono signal by Mono-To-Stereo function
- Hardware
• 24bit Fixed-point Digital Signal Processing
• Maximum Clock Frequency
: 12.288MHz(Standard), built-in PLL Circuit
• Digital Audio Interface
• Digital Audio Format
: 4 Input ports / 3 Output ports
: I2S, Left- justified, Right-justified, 16/18/20/24 bit, BCK : 32/64fs
• Master / Slave Mode
• Serial Host Interface
: In Master mode, MCK = 256fs, MCK2 = 512fs
: I2C-Bus (Standard-mode/100kbps, Fast-mode/400kbps)
: 4-Wire Serial Bus (Clock, Enable, Input data, Output data)
• Power Supply
: VDD = VDDPLL = 1.8V
: VDDIO = 3.3V
• Input terminal
: 5.0V Input tolerant
• Package
: QFP48-N2 (Pb-Free)
* The detail hardware specification of the NJU26208 is described in the “ NJU26200 Series Hardware Data Sheet”.
Ver.2006-11-27
-1-
1 page  
www.DataSheet4U.com
Pin Description
NJU26208
Table 1 Pin Description
Pin No.
Symbol
1, 11, 20, 32, 40 VDDIO
2 BCKI
3, 10, 19, 31, 41 VSSIO
4, 15, 30, 42 VSS
5, 16,29, 43 VDD
6 TEST
7 MUTEb *
8
WDC
*
9 PROC *
12 SEL
13 VDDPLL
14 VSSPLL
17 CLKOUT
18 CLK
21 RESETb
22 TEST
23, 24
TEST
25 AD1 / SDIN
26 AD2 / SSb
27 SCL / SCK
28 SDA/SDOUT
33 MCK
34 BCKO
35 LRO
36 SDO3
37 SDO2
38 SDO1
39 TEST
44 SDI3
45 SDI2
46 SDI1
47 SDI0
48 LRI
I : Input
O : Output
OD : Open Drain Output
I/O : Bi-directional
I/O Description
- I/O Power Supply +3.3V
I Bit Clock Input
- I/O GND
- Core GND
- Core Power Supply +1.8V
I for test (connected to VSSIO through 3.3kΩ resistance.)
I Master Volume level, After Reset DSP (“1” : 0dB “0” : Mute)
OD Clock for Watch Dog Timer (Open Drain Output)
I After Reset DSP. ( “1” : Normal “0” : Wait from Command )
I Select I2C or Serial bus ( ‘1’ : Serial / ‘0’ : I2C-Bus)
- PLL Analog Power Supply +1.8V
- PLL Analog GND
O OSC Output
I X’tal Clock Input
I Reset (RESETb=’0’ : DSP Reset)
I for Test (Connected to VDDIO)
I for Test (Connected to VSSIO)
I I2C Address / Serial Input
I I2C Address / Serial Enable
I I2C Clock / Serial Clock
I2C I/O (Open Drain output) / Serial Output (CMOS output)
I/O I2C Bus mode : SDA pin requires a pull-up resistance.
4-wire Serial mode : SDOUT does not require a pull-up resistance.
O Master Clock Output (buffer output of a CLK pin)
O Bit Clock Output
O LR Clock Output
O Audio Data Output 3 ( Rear Lch / Rch )
O Audio Data Output 2 ( Center / Subwoofer )
O Audio Data Output 1 ( Front Lch / Rch )
O for Test ( Not connected : OPEN )
I Audio Data Input 3 ( SL / SR )
I Audio Data Input 2 ( Center / Subwoofer)
I Audio Data Input 1 ( Front Lch / Rch )
I Audio Data Input 0 ( Front Lch / Rch )
I LR Clock Input
Note : Pins symbol with * : Connect with VDDIO or VSSIO through 3.3kΩ resistance
Ver.2006-11-27
-5-
5 Page 
www.DataSheet4U.com
License Information
NJU26208
1. The “Circle Surround Automotive”,“Circle SurroundII5.1”, “TruSurroundXT”, ”FOCUS”, “TruBass” technology rights
incorporated in the NJU26208 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co.,
Ltd.. Purchaser of NJU26208 must sign a license for use of the chip and display of the Labs trademarks. Any
products incorporathing the NJU26208 must be send to SRS Labs for review. “Circle Surround Automotive”,“Circle
SurroundII5.1”, “TruSurroundXT”, ”FOCUS”, “TruBass” are protected under US and foreign patents issued and/or
pending. “Circle Surround Automotive”,“Circle SurroundII5.1”, “TruSurroundXT”, ”FOCUS”, “TruBass”, SRS and
symbol are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase
of the NJU26208, nor the corresponding sale of audio enhancement equipment conveys the right to sell
commercialized recordings made with any SRS technology. SRS Labs requires all set marks to comply with all rules
and regulations as outlined in the SRS Trademark Usage Manual separately provided.
For further information, please contact::
SRS Labs, Inc.
2909 Daimler Street.
Santa Ana, CA 92705 USA
Tel: 949-442-1070 Fax: 949-852-1099
http://www.srslabs.com
Ver.2006-11-27
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJU26208.PDF ] | |
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