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NJU26107 Dataheets PDF



Part Number NJU26107
Manufacturers JRC
Logo JRC
Description Digital Signal Processor
Datasheet NJU26107 DatasheetNJU26107 Datasheet (PDF)

NJU26107 www.DataSheet4U.com ■ General Description Digital Signal Processor for TV ■Package The NJU26107 is a high performance 24-bit digital signal processor. The NJU26107 provides ‘eala’ 3D Surround function, ‘eala BASS’ Dynamic Bass Boost function, SRS 3D, TruBass, AGC, Tone Control, and LPF/HPF. These kinds of sound functions are suitable for TV, mini-component, CD radio-cassette, speakers system and other audio products. ■ FEATURES - Software • 3D sound : eala(NJRC Original Surround), S.

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NJU26107 www.DataSheet4U.com ■ General Description Digital Signal Processor for TV ■Package The NJU26107 is a high performance 24-bit digital signal processor. The NJU26107 provides ‘eala’ 3D Surround function, ‘eala BASS’ Dynamic Bass Boost function, SRS 3D, TruBass, AGC, Tone Control, and LPF/HPF. These kinds of sound functions are suitable for TV, mini-component, CD radio-cassette, speakers system and other audio products. ■ FEATURES - Software • 3D sound : eala(NJRC Original Surround), SRS 3D • Sound Enhancement: : ealaBASS (NJRC Original Dynamic Bass Boost), SRS TruBass • AGC • Tone Control • Master Volume / Balance control • LPF/HPF crossover network • WatchDog Clock Output NJU26107FR1 - Hardware • 24bit Fixed-point Digital Signal Processing • Maximum System Clock Frequency : 38MHz Max. • Digital Audio Interface : 2 Input ports / 3 Output ports • Digital Audio Format : 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- NJU26107 www.DataSheet4U.com ■ Function Block Diagram AD1/SDIN AD2/SSb NJU26107 DSP ARITHMETIC UNIT SERIAL AUDIO INTERFACE BCK0 PROGRAM CONTROL L/R ” ‚ • ‚ • ‚ 24-BIT x 24-BIT MULTIPLIER L/R ” ‚ • ‚ • ‚ L/R ” ‚ • ‚ • ‚ L/R in LR0 SDO0 SDO1 SDO2 SDI0 SDI1 BCKI LRI WDC SCL/SCK SERIAL HOST INTERFACE SDA/SDOUT RESETb MCK XI XO TIMING GENERATOR ALU L/R in ADDRESS GENERATION UNIT DATA RAM FIRMWARE ROM GPIO AND CONFIGURATION INTERFACE SEL1 Fig. 1 NJU26107 Block Diagram ■ DSP Block Diagram SDI0 SDI1 eala AGC SRS 3D TruBass ealaBASS BBE Tone Control Master Volume/ Balance ealaBASS LPF SDO0 HPF *Either "ealaBass" is selected. SDO1 SDO2 Fig. 2 NJU26107Function Diagram -2- Ver.2006-11-27 NJU26107 www.DataSheet4U.com VDDR VDDR VDDC 18 24 23 22 21 20 19 SDI0 SDI1 TEST LRI BCKI MCK BCKO LRO 25 17 VDDC VSSR VSSR VSSC VSSC ■ Pin Configuration 16 26 15 27 14 28 WDC VSSC VDDC RESETb VSSO XO XI VDDO NJU26107 13 12 11 31 30 29 10 32 9 1 2 3 4 5 6 7 SDO2 SDO1 SDO0 SEL1 Fig. 3 NJU26107 Pin Configuration ■ Pin Description Table 1 Pin Description No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol SDO2 SDO1 SDO0 SEL1 *1 SCL/SCK SDA/SDOUT AD1/SDIN AD2/SSb VDDO XI XO VSSO RESETb VDDC VSSC WDC *2 I/O O O O I I I/O I I -I O -I --O Description Audio Data Output 2 L/R Audio Data Output 1 L/R HPF Audio Data Output 0 L/R LPF Select I2C or Serial bus I2C Clock / Serial Clock I2C I/O / Serial Output This pin requires a pull-up resistance. I2C Address / Serial Input I2C Address / Serial Enable OSC Power Supply +2.5V X’tal Clock Input OSC Output OSC GND RESET (active Low) Core Power Supply +2.5V Core GND Clock for Watch Dog Timer No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Symbol VDDC VSSC VDDR VSSR SDI0 SDI1 TEST LRI BCKI MCK BCKO LRO I/O Description Core Power Supply +2.5V Core GND I/O Power Supply +2.5V I/O GND Audio Data Input 0 L/R Audio Data Input 1 L/R Connect to GND LR Clock Input Bit Clock Input Master Clock Output Bit Clock Output LR Clock Output SDA/SDOUT AD1/SDIN SCL/SCK AD2/SSb 8 ----I I I I I O O O * I : Input, O : Output, I/O: Bi-directional *1 SEL1 : Input *2 WDC : Output Ver.2006-11-27 -3- NJU26107 www.DataSheet4U.com ■ Digital Audio Interface The NJU26107 audio interface provides industry standard serial data formats of I2S, MSB-first left-justified or MSB-first right-justified. The NJU26107 audio interface provides two data inputs, SDI0, SDI1 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. Table 2 Pin No. 25 26 Table 3 Pin No. 3 2 1 Serial Audio Input Pin Symbol Description SDI0 Audio Data Input 0 L / R SDI1 Audio Data Input 1 L / R Serial Audio Output Pin Symbol Description SDO0 Audio Data Output 0 L / R LPF SDO1 Audio Data Output 1 L / R HPF SDO2 Audio Data Output 2 L / R ■ Host Interface The NJU26107 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 Symbol 4-Wire Serial bus Format Pin No. I2C bus Format (I2C bus / Serial) 5 SCL / SCK Serial Clock Serial Clock Serial Data Input/Output Serial Data Output 6 SDA / SDOUT (Open Drain Input/Output) (CMOS) 2 7 AD1 / SDIN I C bus a.


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