By Sunggu Lee

This textbook is meant to function a realistic advisor for the layout of complicated electronic common sense circuits comparable to electronic regulate circuits, community interface circuits, pipelined mathematics devices, and RISC microprocessors. it truly is a complicated electronic common sense layout textbook that emphasizes using synthesizable VHDL code and gives a variety of totally worked-out sensible layout examples together with a common Serial Bus interface, a pipelined multiply-accumulate unit, and a pipelined microprocessor for the ARM THUMB structure.

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As already indicated in Chapter 1, the multi-processor aspect will not be the real focus of this book. We will look at multi-threading aspects on a single processor in Chapter 6 but not beyond that. The main focus lies on the global interaction between all the key elements of one processor and its data and instruction memory organisation. Due to the wide scope of this case study (a complete platform) and the large number of components involved, it is not feasible to model all parts to the highest possible detail.

The term PE is commonly used in reconfigurable hardware literature. g. ADD, MUL, SHIFT. Instruction The binary representation that determines what operation will be executed by a single slot or PE. In VLIW literature, the VLIWinstruction is a concatenation of the instructions for all parallel slots. In conclusion, the slots or PEs of a processor typically consists of different types of Functional Units and each FU supports a different functionality. The 19 Global State-of-the-Art Overview instructions decide what operation is executed on a certain slot and on the corresponding FU within that slot.

To be able to perform an efficient exploration and compare different processor styles, this exploration should be performed early on in the design. Therefore a trade-off has to be made between the implementation effort that is required to model an architecture, the evaluation speed and the accuracy. In the next chapters this broad exploration will be performed based on a realistic case study resulting in a set of highlevel requirements and a proposal for an ultra-low energy platform template. In addition, a framework will be proposed to effective support this broad exploration.

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