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PDF NJU26040-09B Data sheet ( Hoja de datos )
| Número de pieza | NJU26040-09B | |
| Descripción | SRS WOW HD Processor | |
| Fabricantes | New Japan Radio | |
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NJU26040-09B
SRS WOW HD Processor
■ General Description
The NJU26040-09B is a digital audio signal processor that provides the
function WOW HD (function limited edition of NJU29040-09A).
The NJU26040-09B processes a lot of sound sources, such as DVD, CD,
AM/FM radio, and TV sound into spacious sound of natural virtual surround
by WOW HD.
The applications of NJU26040-09B are suitable for stereo outputs products
such as DVD Receivers, AV Amplifiers, TV, radio-cassettes player or ordinary
audio products such as small speakers system.
Package
NJU26040V
■ FEATURES
- Software
• WOW HD technology is offered to the stereo I/O product.
• LFE by SRS TruBass-II technology
• SRS FOCUS technology
• SRS Definition technology improves the perception of clarity and acoustic space
- Hardware
• 24bit Fixed-point Digital Signal Processing
• Maximum System Clock Frequency : 38MHz Max.
• Digital Audio Interface
: 3 Input ports / 3 Output ports
• Power Supply
: 3.3V (Input : 5V tolerant)
• Package
• Micro computer interface
: SSOP32-R1 (Pb-Free)
: I2C bus (standard-mode/100kbps, fast-mode/400kbps),
4-Wire Serial Bus (4-Wire: clock, enable, input data, output data)
The detail hardware specification is described in the “ NJU26040 Hardware Data Sheet”.
Ver.2008-02-17
-1-
1 page  
NJU26040-09B
■ Pin Description
Table 1. Pin Description
Pin No.
Symbol
1, 7, 8, 25
VDD
2 SDA/SDOUT
3
4
5
6
9, 24, 32
10
11
12
13
14
15
16
17
18
19
20
21
22
23, 30, 31
26
27
28
29
SCL/SCK
AD1/SDIN
AD2/SSb
RESETb
VSS
CLKOUT
CLK
SDI2
SDI1
SDI0
LRI
BCKI
BCKO
LRO
SDO0
SDO1
TEST1
MCK
TEST0
WDC
MUTEb
PROC
SEL
I/O Description
- Power Supply +3.3V
I2C I/O
/ 4-Wire Serial Output
OD This pin requires a pull-up resistance in both I2C bus
and 4-Wire serial mode.
I I2C clock / Serial clock
I I2C Address / Serial In
I I2C Address / Serial Enable
I Reset (RESETb=’Low’ : DSP Reset)
- GND
O OSC Output
I OSC Clock Input
I Audio Data Input 2 (L/R)
I Audio Data Input 1 (L/R)
I Audio Data Input 0 (L/R)
I LR Clock Input
I Bit Clock Input
O Bit clock Output
O LR clock Output
O Audio Data Output 0 (L/R)
O Audio Data Output 1 (SW)
O for Test (Non connect)
O Master Clock Output for A/D, D/A
I- for Test (connected to VSS)
OD Watchdog clock output (open drain output)
I Master Volume level, After Reset DSP (“1” : 0dB “0” : Mute)
I After Reset DSP. ( “1” : Normal “0” : Wait from Command )
I Select I2C or Serial bus ( ‘1’ : Serial / ‘0’ : I2C-Bus)
Note : I
I-
O
OD
I/O+
I/O -
: Input
: Input (Pull-down)
: Output
: Bi-directional (Open Drain) This pin requires a pull-up resistance.
: Bi-directional (with Pull-up resistance)
: Bi-directional (with Pull-down resistance)
Ver.2008-02-17
-5-
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NJU26040-09B.PDF ] | |
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