The purpose of this thesis is to describe embedded software platform architecture for low tier applications. The point of view of this software platform description is hardware oriented. General trends influence the solutions that have been selected to the final architectural design of the software platform. The Open Source Software (OSS) is becoming more common in the software product development. Many chip manufacturers offer a comprehensive baseline for the development software and the whole embedded system. Development communities and system development companies re-develop the open software components and hardware components to final, type approved products.

Nowadays it is very common that a customer has some product or business idea which should be processed to a final product onto the market. The customer in this case means the organization who wants to purchase an R&D and/or productization project from someone else. Other starting points for this work are low tier and low cost aspects. The processor / microcontroller and Real Time Operating System (RTOS) choices are significant factors when designing a modular and cost efficient embedded system.

The main aim of the thesis is to create architectural design for an embedded product platform. It gives the preliminary solutions to develop modular, configurable, and maintainable embedded systems.