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NJU26106 PDF даташит

Спецификация NJU26106 изготовлена ​​​​«JRC» и имеет функцию, называемую «ProLogicII / VDS / BM / Noise Generator / QFP32-R1».

Детали детали

Номер произв NJU26106
Описание ProLogicII / VDS / BM / Noise Generator / QFP32-R1
Производители JRC
логотип JRC логотип 

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NJU26106 Даташит, Описание, Даташиты
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NJU26106
Dolby Pro Logic II / Virtual Dolby Surround Decoder
General Description
Package
The NJU26106 is a digital audio signal decoder that provides the function of Dolby
Pro Logic II and Virtual Dolby Surround.
The NJU26106 processes the stereo matrix-encoded signal into spacious sound
of 5.1 channels by Dolby Pro Logic II and Bass Management System. Also non
matrix-encoded audio signal can be processed into effective spacious sound by
Music mode.
The decoded 5-channel signal can be downmixed into 2-channel virtual surround
output by the Dolby Virtual technology.
The NJU26106 is suitable for multi-channel products such as AV AMP and Car
Audio, or ordinary audio products such as small speaker system.
NJU26106FR1
FEATURES
- Software
5.1 Channel signal outputs by Dolby Pro Logic II
2 Channel outputs by Virtual Dolby Surround
Movie mode / Music mode
Available for Center width control, Dimension control, Panorama mode, Music mode and Custom mode
Master Volume
- Hardware
24bit Fixed-point Digital Signal Processing
Maximum System Clock Frequency : 38MHz Max.
Digital Audio Interface
Digital Audio Format
: 2 Input ports / 3 Output ports
: I2S 24bit, Left- justified, Right-justified, BCK : 32/64fs
Master / Slave Mode
: Master Mode MCK 1/2 fclk, 1/3 fclk
ex. MCK = 384Fs(1/2) or MCK = 256Fs(1/3) at fclk=768Fs
Power Supply
: 2.5V
Input terminal
: 3.3V Input tolerant
Package
: QFP32-R1 (Pb-Free)
Two kinds of micro computer interface : I2C bus (standard-mode/100kbps)
: Serial interface (4 lines: clock, enable, input data, output data)
The detail hardware specification is described in the “ NJU26100 Series Hardware Data Sheet”.
Ver.2006-09-13
-1-









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NJU26106 Даташит, Описание, Даташиты
NJU26106
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Function Block Diagram
AD1/SDIN AD2/SSb
NJU26106
SCL/SCK
SDA/SDOUT
RESETb
MCK
XI
XO
SERIAL
HOST
INTERFACE
DSP ARITHMETIC UNIT
PROGRAM
CONTROL
ALU
24-BIT x 24-BIT
MULTIPLIER
TIMING
GENERATOR
ADDRESS GENERATION UNIT
SERIAL AUDIO
INTERFACE
L/R
C/LFE
SL/SR
DELAY
RAM
DATA
RAM
FIRMWARE
ROM
GPIO AND
CONFIGURATION
INTERFACE
BCKO
LRO
SDO0
SDI0
SDI1
SDO1
BCKI
SDO2
LRI
SEL1
Fig. 1 NJU26106 Block Diagram
DSP Block Diagram
ProLogicII and Virtual Dolby Surround Decorder Block Diagram
L Scale
L
Lt C Scale C
Left Output
ProLogic II R
Scale
Bass R
Rt
Ls Scale
ManagementLs
Rs Scale
Rs
SW Scale
Master
Volume
L/R
Balance
Right Output
Center Output
Subwoofer
Output
Virtual Dolby Surround
L
R
Noise Generator
Delay
LeftSurround
Output
RightSurround
Output
Fig. 2 NJU26106 Function Diagram
-2-
Ver.2006-09-13









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NJU26106 Даташит, Описание, Даташиты
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Pin Configuration
SDI0
SDI1
TEST
LRI
BCKI
MCK
BCKO
LRO
NJU26106
NJU26106
16 TEST
15 VSSC
14 VDDC
13 RESETb
12 VSSO
11 XO
10 XI
9 VDDO
Pin Description
Fig. 3 NJU26106 Pin Configuration
Table 1 Pin Description
No. Symbol I/O
Description
1 SDO2
O Audio Data Output SL/SR
2 SDO1
O Audio Data Output C/SW
3 SDO0
O Audio Data Output L/R
4 SEL1 *1 I Select I2C or Serial bus
5 SCL/SCK
I I2C Clock / Serial Clock
6 SDA/SDOUT I/O I2C I/O / Serial Output
7 AD1/SDIN
I I2C Address / Serial Input
8 AD2/SSb
I I2C Address / Serial Enable
9 VDDO
-- OSC Power Supply +2.5V
10 XI
I X’tal Clock Input
11 XO
12 VSSO
O OSC Output
-- OSC GND
13 RESETb
I RESET (active Low)
14 VDDC
-- Core Power Supply +2.5V
15 VSSC
-- Core GND
16 TEST *2 I/O OPEN
* I : Input,
O : Output,
I/O: Bi-directional
*1 SEL1 : Input
*2 TEST : Bi-directional
No. Symbol
17
18
VDDC
19
20
VSSC
21
22
VDDR
23
24
VSSR
25 SDI0
26 SDI1
27 TEST
28 LRI
29 BCKI
30 MCK
31 BCKO
32 LRO
I/O Description
-- Core Power Supply +2.5V
-- Core GND
-- I/O Power Supply +2.5V
-- I/O GND
I Audio Data Input 0 L/R
I Audio Data Input 1 L/R
I Connect to GND
I LR Clock Input
I Bit Clock Input
O Master Clock Output
O Bit Clock Output
O LR Clock Output
Ver.2006-09-13
-3-










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