Designed for high-performance and cost-effective processing, the eSi-1650 CPU core is a 16-bit processor that introduces an instruction cache to boost efficiency in power and area. This processor is tailored to work with mature process nodes utilizing OTP or Flash for program memory, eliminating the dependence on large on-chip shadow RAMs and allowing maximum CPU frequency operation independent of OTP/Flash limitations.
This core presents an efficient power utilization as it allows running switch applications utilizing an instruction cache, thereby reducing memory fetch time and conserving power. Equipped with an impressive instruction set and optional custom operations, the core ensures adept handling of complex computations and data manipulations. The RISC architecture ensures streamlined performance by executing applications in fewer clock cycles, which can either enhance throughput or extend low-power states.
The eSi-1650 features a 5-stage pipeline supporting complex bit and arithmetic instructions, multiprocessor configurations, and high code density through sophisticated instruction encoding. Debugging and troubleshooting are facilitated through advanced hardware debugging capabilities. Also included is an optional Memory Protection Unit for secure operations that distinguish between user and kernel spaces, contributing to system security and robustness. Delivered in a Verilog RTL format, it aligns with diverse technological processes, making it a versatile option for various embedded applications.