Freescale’s ultimate Ethernet solution features the MCF51CN ColdFire V1 MCU, complimentary Freescale MQX RTOS and the Tower System, a cost-effective, open-source hardware platform with a library of interchangeable board modules. The combined solution gives developers an easily customizable, expandable design environment that can expedite development time through rapid prototyping and tool reuse. MCF51CN Ethernet MCUs are low-cost, low-power, high-performance 32-bit devices designed to add Ethernet connectivity to your commercial and industrial applications. And to help you save months of development time, Freescale's Tower System, with re-configurable modular hardware and open source software, is an all-in-one demonstration and evaluation platform.