NJU26203AV NJRC [New Japan Radio], NJU26203AV Datasheet

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NJU26203AV

Manufacturer Part Number
NJU26203AV
Description
Dolby Pro Logic II Decoder
Manufacturer
NJRC [New Japan Radio]
Datasheet

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NJU26203AV-TE2
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The NJU26203A is a digital signal processor that provides the function of Dolby Pro Logic II,
Bass Management, Multi channel input, and 5-band PEQ function.
The applications of NJU26203A are suitable for multi channel products such as Car Audio,
DVD Receiver and speakers system.
-Software
-Hardware
Ver.2008-12-10
General Description
Features
* The detail hardware specification of the NJU26203A is described in the “ NJU26200 Series Hardware Data Sheet”.
24bit Fixed-point Digital Signal Processing
Maximum Clock Frequency
Digital Audio Interface
Digital Audio Format
Master / Slave Mode
Microcomputer Interface
Operating Voltage
Input Terminal
Package
Dolby Pro Logic II (Max 5.1ch Output)
Bass Management
Multi channel input
5-band PEQ
Center Mixer, Rear Center Mixer
Master Volume
I
4-Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data)
2
C Bus (Standard-mode/100kbps, Fast-mode/400kbps)
: V
: V
: +5.0V Input tolerant
: SSOP44 (Pb-Free)
DD
DDIO
Dolby Pro Logic II Decoder
= 3.3V
= V
: 12.288MHz(Standard), built-in PLL Circuit
: 4 Input ports / 4 Output ports
: I
DDPLL
2
S 24bit,
= 1.8V
left-justified,
right-justified,
BCK : 32fs/64fs
NJU26203A
Package
NJU26203AV
- 1 -

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NJU26203AV Summary of contents

Page 1

... SSOP44 (Pb-Free) * The detail hardware specification of the NJU26203A is described in the “ NJU26200 Series Hardware Data Sheet”. Ver.2008-12-10 Dolby Pro Logic II Decoder : 12.288MHz(Standard), built-in PLL Circuit : 4 Input ports / 4 Output ports 24bit, left-justified 1.8V DDPLL = 3.3V NJU26203A ■ Package right-justified, BCK : 32fs/64fs NJU26203AV - 1 - ...

Page 2

NJU26203A Hardware Block Diagram AD1/SDIN AD1/SDIN AD1/SDIN AD1/SDIN SCL/SCK SCL/SCK SCL/SCK SCL/SCK SERIAL SERIAL SERIAL SERIAL HOST HOST HOST HOST INTERFACE INTERFACE INTERFACE INTERFACE SDA/SDOUT SDA/SDOUT SDA/SDOUT SDA/SDOUT RESETb RESETb RESETb RESETb MCK MCK MCK MCK TIMING TIMING TIMING TIMING ...

Page 3

Function Block Diagram SDI0 SDI1 SDI2 SDI3 L/R LFE Generator *Center Mix is effective only at the time of 4ch Stereo Mode or Multi Input Mode choice. *LFE Generator ON/OFF is effective only at the time of 4ch Stereo Mode ...

Page 4

NJU26203A SDI0 SDI1 C SDI2 LFE Output Trim SDI3 Fig. 4 NJU26203A Function Block Diagram (Multi channel input) SDI0 SDI1 Fig. 5 NJU26203A Function Block Diagram (Stereo Input, NON-FADER (6ch Stereo L/R C/SW LS/RS Noise Generator Smooth ...

Page 5

Pin Configuration SDI3 1 SDI2 2 SDI1 3 SDI0 4 LRI 5 VDDIO 6 BCKI 7 VSS 8 VDD 9 TEST 10 MUTEb 11 WDC 12 PROC 13 VSSIO 14 VDDIO 15 SEL 16 VDDPLL 17 VSSPLL 18 VSS 19 ...

Page 6

NJU26203A Pin Description Table 1 Pin Description Pin No. Symbol 1 SDI3 2 SDI2 3 SDI1 4 SDI0 5 LRI 6 VDDIO 7 BCKI 8 VSS 9 VDD 10 TEST * 11 MUTEb * 12 WDC * 13 PROC * ...

Page 7

Audio Interface The NJU26203A audio interface provides industry serial data formats of I Right-justified. The NJU26203A audio interface provides four data inputs, SDI0, SDI1, SDI2 and SDI3, and four data outputs, SDO0, SDO1, SDO2 and SDO3 as shown in table ...

Page 8

NJU26203A Bus When the NJU26203A is configured for I data on the SDA pin and clocks data on the SCL pin. The SDA is an open drain pin requiring a pull-up resistance. Pins AD1 and AD2 are ...

Page 9

Pin setting The NJU26203A operates default command setting after resetting the NJU26203A. In addition, the NJU26203A restricts operation at power on by setting PROC pin and MUTEb pin. These pins are input pin. However, these pins operate as bi-directional pins. ...

Page 10

NJU26203A Firmware Command Table Host processor can control the NJU26203A via I summarizes the available user commands. Table 9 Command Table No. Command Description 1 Set Task Command 2 System State Command 3 Sample rate Select Command 4 Smooth Control ...

Page 11

License Information The Word “DOLBY”, “Pro Logic II” and the double D mark are trademarks of Dolby Laboratories. The NJU26203A can only be delivered to licensees of Dolby Laboratories. Please refer to the licensing application manual issued by Dolby Laboratories. ...

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