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NJU26040 PDF даташит

Спецификация NJU26040 изготовлена ​​​​«JRC» и имеет функцию, называемую «Sound functions are possible to customization».

Детали детали

Номер произв NJU26040
Описание Sound functions are possible to customization
Производители JRC
логотип JRC логотип 

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NJU26040 Даташит, Описание, Даташиты
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NJU26040 Series
NJU26040 Series Data Sheet
General Description
The NJU26040 Series a Digital Signal Processor with built-in
OTP (One Time Programmable).
By the DSP with built-in OTP, customization is possible from
various sound technology.
The NJU26040 Series is suitable for TV, mini-component,
speakers system and other audio products. This DSP can
constitute a small system by combining a CODEC.
Package
NJU26040V
FEATURES
24bit Fixed-point Digital Signal Processing
System Clock Frequency
: Maximum 38MHz
Digital Audio Interface
Digital Audio Format
: 3 Input ports / 3Output ports
: I2S 24bit, Left- justified, Right-justified, BCK : 32/64fs
Master / Slave Mode
Serial Host Interface
: In Master mode, MCK : 768/384/256fs
: I2C bus (Standard-mode/100kbps, First-mode/400kbps)
: 4-Wire Serial bus (Clock, Enable, Input data, Output data)
Power Supply
: 3.3 V
Input terminal
: 5.0V Input tolerant
Package
: SSOP32 ( Pb-Free )
Block Diagram
S C L/SC K
SD A /S D O U T
RESETb
MCK
CLKOUT
CLK
A D 1/SD IN A D 2/SSb
S E R IA L
HOST
IN TERFACE
24bit Fix ed-point D SP C ore
PROGRAM
CONTROL
ALU
24 -B IT x 24-B IT
M U LTIPLIER
TIM IN G
GENERATOR
ADDRESS G EN ERATIO N U N IT
SERIAL AUDIO
IN TERFACE
BCKO
LRO
SDO0
SDI
[2 :0 ]
SDO1
SDO2
BCKI
LRI
DATA
RAM
FIRM W ARE
O TP/R A M
G eneral I/O
IN TERFACE
G PIO 3
G PIO 2
G PIO 1
G PIO 0
Fig.1 NJU26040 Hardware Block Diagram
Ver.2006-09-13
-1-









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NJU26040 Даташит, Описание, Даташиты
NJU26040 Series
www.DataSheet4U.com
Pin Configuration
VDD
SDA / SDOUT
SCL / SCK
AD1 / SDIN
AD2 / SSb
RESETb
VDD
VDD
VSS
CLKOUT
CLK
SDI2
SDI1
SDI0
LRI
BCKI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 VSS
31 TEST
30 TEST
29 GPIO0
28 GPIO1
27 GPIO2
26 GPIO3 / TEST
25 VDD
24 VSS
23 TEST
22 MCK
21 SDO2
20 SDO1
19 SDO0
18 LRO
17 BCKO
Fig. 2 Pin Configuration
-2-
Ver.2006-09-13









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NJU26040 Даташит, Описание, Даташиты
www.DataSheet4U.com
Pin Description
NJU26040 Series
Table 1 Pin Description
Pin No. Symbol
I/O
Description
1, 7, 8, 25 VDD
2 SDA / SDOUT
3
4
5
6
9, 24, 32
10
11
12
13
14
15
16
SCL / SCK
AD1 / SDIN
AD2 / SSb
RESETb
VSS
CLKOUT
CLK
SDI2
SDI1
SDI0
LRI
BCKI
- 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 Input
I I2C Address / Serial Enable
I Reset (RESETb=’Low’ : DSP Reset)
- GND
O OSC Output
I OSC Clock Input
I Audio Data Input 2
I Audio Data Input 1
I Audio Data Input 0
I LR Clock Input
I Bit Clock Input
17
18
19
20
21
22
23, 30, 31
26
27
28
29
BCKO
LRO
SDO0
SDO1
SDO2
MCK
TEST
GPIO3/ TEST
GPIO2
GPIO1
GPIO0
O
O
O
O
O
O
I-
I/O +
I/O -
I/O -
I/O -
Bit Clock Output
LR Clock Output
Audio Data Output 0
Audio Data Output 1
Audio Data Output 2
Master Clock Output for A/D, D/A
for Test (connected to VSS)
General Purpose IO 3 / for Test
General Purpose IO 2
General Purpose IO 1
General Purpose IO 0
(Not connected : OPEN )
Note : I : Input
I - : Input (Pull-down)
O : Output
OD : Bi-directional (Open Drain) This pin requires a pull-up resistance.
I/O+ : Bi-directional (with Pull-up resistance)
I/O - : Bi-directional (with Pull-down resistance)
Ver.2006-09-13
-3-










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