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PDF NJU26103 Data sheet ( Hoja de datos )
| Número de pieza | NJU26103 | |
| Descripción | Delay | |
| Fabricantes | JRC | |
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NJU26103
Digital Signal Processor for TV
■ General Description
The NJU26103 is a high performance 24-bit digital audio processor for TV that
has a QFP32-pin small package.
The NJU26103 provides an internal delay memory to adjust the output delay
time for lip sync. Moreover, the NJU26103 adopts SRS WOW technology..
■Package
■ FEATURES
NJU26103FR1
- Software
• 3D sound : SRS WOW audio technology
• Variable 2 Channels Audio Delay (16 bit data width).
fs=48kHz : Max. 42ms, fs=44.1kHz : Max. 46ms, fs=32kHz : Max. 64ms
- Hardware
• 24bit Fixed-point Digital Signal Processing
• Maximum System Clock Frequency : 38MHz Max.
• Digital Audio Interface
• Digital Audio Format
: 2 Input ports / 1 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.2006-11-27
-1-
1 page  
www.DataSheet4U.com
■ Digital Audio Interface
NJU26103
The NJU26103 audio interface provides industry standard serial data formats of I2S, MSB-first left-justified or
MSB-first right-justified. The NJU26103 audio interface provides two data inputs, SDI0, SDI1 and a data output, SDO0
as shown in table 2, table 3 and Fig.2. An audio interface input and output data format become the same data format.
Table 2
Pin No.
25
26
Serial Audio Input Pin
Symbol
Description
SDI0 Audio Data Input 0
SDI1 Audio Data Input 1
L/R
L/R
Table 3 Serial Audio Output Pin
Pin No. Symbol
Description
3 SDO0
Audio Data Output 0 L / R
■ Host Interface
The NJU26103 can be controlled via Serial Host Interface (SHI) using either of two serial bus format : 4-Wire serial
bus or I2C 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.
4
Symbol
SEL1
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
4-Wire Serial bus Format
5 SCL / SCK
6 SDA / SDOUT
7 AD1 / SDIN
8 AD2 / SSb
Serial Clock
Serial Data Input/Output
(Open Drain Input/Output)
I2C bus address Bit1
I2C bus address Bit2
Serial Clock
Serial Data Output
(CMOS)
Serial Data Input
Serial enable
Note : SDA /SDOUT pin is a bi-directional open drain.
SDA /SDOUT output is normal CMOS output in case of 4-Wire Serial bus mode and SSb=”Low”.
SDA /SDOUT output is Hi-Z state in case of 4-Wire Serial bus mode and SSb=”High”. This pin
requires a pull-up resister in both 4-Wire serial and I2C bus mode.
Ver.2006-11-27
-5-
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJU26103.PDF ] | |
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