Digital Signal Processor for Car Audio
– Software– SRS Circle Surround Automotive TruBass FOCUS Hall Simulator 7Band PEQ / GEQ Time Alignment Sampling Frequency (16kHz/22.05kHz/24kHz/32kHz/44.1kHz/48kHz (Stereo Input Mode and Multi Input Mode),32kHz/44.1kHz/48kHz (CS Auto Mode)) – Hardware– 24bit Fixed-point Digital Signal Processing Maximum Clock Frequency (12.288MHz(Standard), built-in PLL Circuit) Digital Audio Interface (4 Input ports / 3 Output ports) Digital Audio Format (I 2S 24bit, left-justified, right-justified, BCK : 32fs/64fs) Master / Slave Mode Microcomputer Interface (I 2C Bus (Standard-mode/100kbps, Fast-mode/400kbps)4 -Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data)) Operating Voltage (V DD = V DDPLL = 1.8V : V DDIO = 3.3V) Input Terminal (5.0V Input tolerant) Package (LQFP48-R3 (Pb-Free))
The NJU26202 is a digital signal processor that provides the function of Circle Surround Automotive, Hall Simulator, 7Band PEQ / GEQ, and Time Alignment.The applications of NJU26202 are suitable for multi-channel products such as Car Audio small speakers system.
The documents used to design audio DSP is here
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