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NJU26040-09B の電気的特性と機能

NJU26040-09BのメーカーはNew Japan Radioです、この部品の機能は「SRS WOW HD Processor」です。


製品の詳細 ( Datasheet PDF )

部品番号 NJU26040-09B
部品説明 SRS WOW HD Processor
メーカ New Japan Radio
ロゴ New Japan Radio ロゴ 




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NJU26040-09B Datasheet, NJU26040-09B PDF,ピン配置, 機能
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 pdf, ピン配列
NJU26040-09B
L/R input
L/R
SDO0
Through mode Block Diagram
Fig.2-2 NJU26040-09B Function Diagram
L/R input
L/R input
L/R
SDO0
WOW HD Bypass mode Block Diagram
Fig.2-3 NJU26040-09B Function Diagram
Tr uBas s II
SRS
FOCUS
De finitio
WOW HD Mode Block Diagram
Fig.2-4 NJU26040-09B Function Diagram
Bas s
Managem ent
L/R
SDO0
SDO1
SW
Ver.2008-02-17
-3-


3Pages


NJU26040-09B 電子部品, 半導体
NJU26040-09B
Digital Audio Interface
The NJU26040-09B audio interface provides industry standard serial data formats of I2S, MSB-first
left-justified or MSB-first right-justified. The NJU26040-09B audio interface provides three data input, SDI0,
SDI1, SDI2 and three data outputs, SDO0, SDO1 as shown in table 2, table 3 and Fig.1. An audio interface
input and output data format become the same data format.
Table 2. Serial Audio Input Pin
Pin No. Symbol
Description
14 SDI0 Audio Data Input 0
13 SDI1 Audio Data Input 1
12 SDI2 Audio Data Input 2
L/R
L/R
L/R
Table 3. Serial Audio Output Pin
Pin No. Symbol
Description
19 SDO0 Audio Data Output 0
20 SDO1 Audio Data Output 1
L/R
C / SW
Host Interface
The NJU26040-09B can be controlled via Serial Host Interface (SHI) using either of two serial bus
formats: I2C bus or 4-Wire serial bus.(Table 4) Data transfers are in 8 bit packets (1 byte) when using either
format.
Serial Host Interface Pin Description.(Table 5)
Table 4. Serial Host Interface Pin Description
Pin No.
29
Symbol
SEL
Setting
“Low”
“High”
Host Interface
I2C bus
4-Wire serial bus
Table 5. Serial Host Interface Pin Description
Pin No.
Symbol
(I2C bus / Serial)
I2C bus Format
2
SDA / SDOUT *
Serial Data Input/Output
(Open Drain Input/Output)
3 SCL / SCK * Serial Clock
4 AD1 / SDIN * I2C bus address Bit1
5
AD2 / SSb
* I2C bus address Bit2
4-Wire Serial bus Format
Serial Data Output
(Open-Drain Output)
Serial Clock
Serial Data Input
Serial enable
Note : SDA /SDOUT pin is a bi-directional open drain.
This pin requires a pull-up resistance in both I2C bus and 4-Wire serial mode.
* When the power supply (VDD= +3.3V) is supplied to NJU26040, these pins become
+5.0V Input tolerant.
-6-
Ver.2008-02-17

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
NJU26040-09B

SRS WOW HD Processor

New Japan Radio
New Japan Radio
NJU26040-09D

SRS TruSurround HD/HD4 Decoder

New Japan Radio
New Japan Radio


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