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This paper describes the first single-core 32-bit microcontroller-DSP architecture, TriCore, optimized for real-time embedded systems, an OSEK/VDX Real-Time Operating System (RTOS) and an open, integrated development tools platform to allow a development downflow for high-level Computer Aided Software Engineering (CASE) design entry and simulation/validation, rapid prototyping down to the target hardware for calibration and debugging and the up-flow by feeding the data collected from the target Electronic Control Unit (ECU) for system analysis and debugging all the way back to the entry CASE level. Also described are the different features of the new 32-Bit microcontroller-DSP, which speeds up the execution of embedded control applications and simultaneously reduce memory demand.