NJU26203 New Japan Radio Co.,Ltd, NJU26203 Datasheet - Page 7
NJU26203
Manufacturer Part Number
NJU26203
Description
Nju26203 Dolby Pro Logic Ii Decoder
Manufacturer
New Japan Radio Co.,Ltd
Datasheet
1.NJU26203.pdf
(11 pages)
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Ver.2007-02-28
Right-justified. The NJU26203 audio interface provides four data inputs, SDI0, SDI1, SDI2 and SDI3, and four data
outputs, SDO0, SDO1, SDO2 and SDO3 as shown in table 2 and 3. The input serial data is selected by the firmware
command.
4-Wire serial bus. Data transfers are in 8 bits packets (1 byte) when using either format. The SHI operates only in a
SLAVE fashion. A host controller connected to the interface always drives the clock (SCL / SCK) line and initiates data
transfers, regardless of the chosen communication protocol.
Sheet’.
Audio Interface
Host Interface
The NJU26203 audio interface provides industry serial data formats of I
The NJU26203 can be controlled via Serial Host Interface (SHI) using either of two serial bus formats : I
The detail I
Table 2
Table 3
Table 4 Serial Host Interface Pin Descriptions
Table 5
Pin No.
Pin No.
Note: When I
Pin No.
Pin No.
16
29
30
31
32
40
39
38
37
4
3
2
1
requires a pull-up resistance.
When
The SDA/SDOUT pin isn’t 5.0V Input tolerant.
Serial Audio Input Pin
Serial Audio Output Pin
Serial Host Interface Pin Description
SDA/SDOUT
2
(I
C bus and 4-Wire Serial bus information are described in the ‘NJU26200 Series Hardware Data
AD1/SDIN
SCL/SCK
AD2/SSb
Symbol
2
Symbol
C /Serial)
4-Wire Serial bus is selected, the SDA/SDOUT pin is CMOS output.
2
Symbol
Symbol
SEL
C Bus is selected, this pin is a bi-directional Open Drain output. This pin, which is assigned for I
SDO0
SDO1
SDO2
SDO3
SDI0
SDI1
SDI2
SDI3
None
None
Audio Data Output 1 (L/R)
Audio Data Output 2 (C/SW)
Stereo input
Audio Data Input (L/R)
(SDI0/SDI1 pin select)
Audio Data Output 0 (LB/RB)
Audio Data Output 3 (LS/RS)
Setting
High
Serial Data Input/Output
Low
I
I
2
2
C Address Select Bit1
C Address Select Bit2
(Open Drain output)
I
2
C bus Interface
Serial Clock
Description
Description
Multi channel input
Audio Data Input (L/R)
(SDI0/SDI1 pin select)
Audio Data Input 2 (C/SW)
Audio Data Input 3 (LS/RS)
4-Wire Serial Interface
I
2
Host Interface
C Bus Interface
4-Wire Serial Interface
Serial data output
Serial data input
(CMOS Output)
Slave select
Serial Clock
2
S, MSB-first Left-justified or MSB-first
NJU26203
2
C bus or
2
C Bus,
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