-ZSP?
The ZWN-ZSP ZSP4423LCU/TR is an advanced, high speed 16-bit digital signal processor (DSP) intended for industrial control, motor control, and embedded control applications. It features an enhanced instruction set architecture, four general-purpose multiplier accumulators, a 32-bit data size, a dedicated eight-level stack, and stack pointer with post increment/decrement operations, four on-chip registers, two independent buses, and three high-speed parallel I/O ports. The ZSP4423LCU/TR offers high performance processing with low power consumption and is available in an 8-pin miniaturized QUICC package.