■ General Description
The NJU26123 is a high performance 24-bit digital signal processor. The NJU26123 provides ‘NJRC Original Sound Enhancement’, ‘Lip sync Audio Delay’, 10band PEQ, HPF/LPF (FIR Filter), DRC, Tone Control, and Clipper. These kinds of sound functions are suitable for TV, mini-component, CD radio-cassette, speakers system and other audio products.

■ FEATURES
- Software
    • NJRC Original Sound Enhancement (3D sound, Dialogue Boost, Bass Enhance)
    • Delay for Lip sync Audio Delay
        ( fs=48kHz : Max. 36msec, fs=44.1kHz : Max. 39msec, fs=32kHz : Max. 54msec )
    • 10Band PEQ
    • HPF/LPF (FIR Filter)
    • DRC (Dynamic Range Compression) : 2-bands independent operation
    • Tone Control
    • Clipper
    • Master Volume
    • WatchDog Clock Output

- Hardware
    • 24bit Fixed-point Digital Signal Processing
    • Maximum System Clock Frequency : 12.288MHz Max. built-in PLL Circuit
    • Digital Audio Interface : 3 Input ports / 3 Output ports
    • Digital Audio Format : I2S 24bit, Left- justified, Right-justified, BCK : 32/64fs
    • Master / Slave Mode
        - Master Mode, MCK : 384fs @32kHz, 256fs @48kHz
    • Host Interface : I2C bus (Fast-mode/400kbps)
    • Power Supply : 3.3V
    • Input terminal : 5V Input tolerant
    • Package : SSOP24 (Pb-Free)