NJU26040V-09D NJRC [New Japan Radio], NJU26040V-09D Datasheet - Page 8

• Manufacturer Part Number: NJU26040V-09D
• Description: SRS TruSurround HD/HD4 Decoder
• Manufacturer: NJRC [New Japan Radio]

NJU26040-09D
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left-justified or MSB-first right-justified. The NJU26040-09D audio interface provides three data input, SDI0,
SDI1, SDI2 and three data outputs, SDO0, SDO1, SDO2 as shown in table 2, table 3 and Fig.2. An audio
interface input and output data format become the same data format.
formats: I
format.
Digital Audio Interface
Host Interface
The NJU26040-09D audio interface provides industry standard serial data formats of I
The NJU26040-09D can be controlled via Serial Host Interface (SHI) using either of two serial bus
Serial Host Interface Pin Description.(Table 5)
Pin No.
Pin No.
Table 2.
Table 3.
Table 4.
Table 5.
Note : SDA /SDOUT pin is a bi-directional open drain.
Pin No.
Pin No.
14
13
12
19
20
21
29
2
3
4
5
2
C bus or 4-Wire serial bus.(Table 4) Data transfers are in 8 bit packets (1 byte) when using either
This pin requires a pull-up resistance in both I
* When the power supply (V
+5.0V Input tolerant.
Symbol
Symbol
Serial Audio Input Pin
Serial Audio Output Pin
SDO0
SDO1
SDO2
Serial Host Interface Pin Description
Serial Host Interface Pin Description
SDA / SDOUT *
SCL / SCK
AD1 / SDIN
AD2 / SSb
SDI0
SDI1
SDI2
SEL
(I
2
C bus / Serial)
Symbol
Symbol
Audio Data Input 0
(L/R, C/SW, Ls/Rs are selected by the command.)
Audio Data Input 1
(L/R, C/SW, Ls/Rs are selected by the command.)
Audio Data Input 2
(L/R, C/SW, Ls/Rs are selected by the command.)
Audio Data Output 0 L / R
Audio Data Output 1 C / SW
Audio Data Output 2 Ls / Rs
Description
Description
*
*
*
Setting
“High”
“Low”
Serial Data Input/Output
Serial Clock
I
I
2
2
(Open Drain Input/Output)
C bus address Bit1
C bus address Bit2
DD
= +3.3V) is supplied to NJU26040, these pins become
I
2
C bus Format
I
4-Wire serial bus
2
C bus
2
C bus and 4-Wire serial mode.
Host Interface
Serial Data Output
Serial Clock
Serial Data Input
Serial enable
4-Wire Serial bus Format
(Open-Drain Output)
2
S, MSB-first
Ver.2009-02-10