The eSi-3264 is a cutting-edge 32/64-bit processor core that incorporates SIMD DSP extensions, making it suitable for applications requiring both efficient data parallelism and minimal silicon footprint. Designed for high-accuracy DSP tasks, this processor's multifunctional capabilities target audio processing, sensor hubs, and complex arithmetic operations. The eSi-3264 processor supports sizeable instruction and data caches, which significantly enhance system performance when accessing slower external memory sources. With dual and quad MAC operations that include 64-bit accumulation, it enhances DSP execution, applying 8, 16, and 32-bit SIMD instructions for real-time data handling and minimizing CPU load.