NJU26040V-16A NJRC [New Japan Radio], NJU26040V-16A Datasheet

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NJU26040V-16A

Manufacturer Part Number
NJU26040V-16A
Description
Digital Signal Processor for 2ch Speaker System
Manufacturer
NJRC [New Japan Radio]
Datasheet
Equalizer function, Dynamic Bass Boost function, AGC/Limiter function. These kinds of
sound functions are suitable for docking speaker, boom box, mini/micro-component, TV,
and other speaker system.
- Software
- Hardware
Ver.2008-03-06
The detail hardware specification is described in the “ NJU26040 Series Data Sheet (NJU26040_E_REL.pdf)”.
The NJU26040-16A is a high performance 24-bit digital signal processor.
The NJU26040-16A provides 3D Surround function, Stereo Enhancement function,
General Description
FEATURES
AGC/Limiter
3D Surround: eala (NJRC Original)
Stereo Enhancement: eala Stereo Expander (NJRC Original)
Equalizer
Master Volume
Dynamic Bass Boost (NJRC Original)
Clock for Watch Dog Timer
24bit Fixed-point Digital Signal Processing
Maximum System Clock Frequency
Digital Audio Interface
Digital Audio Format
Master / Slave Mode
Power Supply
Input terminal
Package
Micro computer interface
Stable center image and natural sound field
Reproduce the amazing stereo image even narrow distance between two speakers
5band biquad filter
Band1, 2, 3 : HPF/Parametric Equalizer/is selectable.
Band4,5
Two-independent-channel processing for high channel separation
Digital Signal Processor for 2ch Speaker System
: HPF/Parametric Equalizer/Bass/Treble is selectable.
: 38MHz Max
: 3 Input port / 2 Output ports
: I
: Master Mode MCK : 1/2 fclk, 1/3 fclk
: 3.3V
: 5V Input tolerant
: SSOP32 (Pb-Free)
: I
: Serial interface (4 lines: clock, enable, input data, output data)
2
2
ex. MCK = 384Fs(1/2) or MCK = 256Fs(1/3) at fclk=768Fs
S 24bit, Left-justified, Right-justified, BCK : 32fs/64fs
C bus (standard-mode/100kbps, Fast-mode/400kbps)
NJU26040-16A
Package
NJU26040V-16A
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NJU26040V-16A Summary of contents

Page 1

... Input port / 2 Output ports 24bit, Left-justified, Right-justified, BCK : 32fs/64fs : Master Mode MCK : 1/2 fclk, 1/3 fclk ex. MCK = 384Fs(1/2) or MCK = 256Fs(1/3) at fclk=768Fs : 3. Input tolerant : SSOP32 (Pb-Free bus (standard-mode/100kbps, Fast-mode/400kbps) : Serial interface (4 lines: clock, enable, input data, output data) NJU26040-16A ■ Package NJU26040V-16A - 1 - ...

Page 2

NJU26040-16A ■ Function Block Diagram AD1/SDIN SCL/SCK INTERFACE SDA/SDOUT RESETb MCK CLKOUT GENERATOR CLK ■ DSP Block Diagram AGC Bypass Trim AGC SDI0 SDI1 SDI1 Input Trim eala Stereo Expander SDI2 SDI2 Input Trim - 2 - AD2/SSb 24bit ...

Page 3

Pin Configuration SDA/SDOUT SCL/SCK AD1/SDIN AD2/SSb RESETb CLKOUT Ver.2008-03-06 VDD VDD 7 VDD 8 9 VSS 10 CLK 11 SDI2 12 SDI1 13 SDI0 14 LRI 15 BCKI 16 Fig. 3 NJU26040-16A Pin ...

Page 4

Pin Description Table 1 Pin Description Pin No. Symbol VDD 2 SDA / SDOUT 3 SCL / SCK 4 AD1 / SDIN 5 AD2 / SSb 6 RESETb 9, 24, 32 VSS 10 CLKOUT 11 ...

Page 5

Digital Audio Interface The NJU26040-16A audio interface provides industry standard serial data format of I interface provides three audio data inputs, two audio data outputs as shown in table 2, table 3. Table 2 Serial Audio Input Pin Pin ...

Page 6

I C bus bus interface transfers data to the SDA pin and clocks data to the SCL pin. AD1 and AD2 pins are used to configure the seven-bit SLAVE address of the serial host interface. ...

Page 7

Pin setting The NJU26040-16A operates default command setting after resetting the NJU26040-16A. In addition, the NJU26040-16A restricts operation at power on by setting PROC pin and MUTEb pin (Table 8). These pins are input pin. However, these pins operate ...

Page 8

NJU2604016A Command Table Table 9 NJU26040-16A Command No. Command 1 System State Command 2 Sample Rate Select Command 3 Set Task Command 4 Smooth Control Config Command 5 Master Volume Control Command 6 Master Volume Balance Setup Command 7 ...

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