This book provides design methods for Digital Signal Processors and Application Specific Instruction set Processors, based on the extensive experience of the author, industrial design. Coverage includes design of internal-external data types, application specific instruction sets, micro architecture, including designs for datapath and control path, and memory subsystems. * Instruction set design for specific applications processor based on rapid application profiling * Micro architecture design methodology * Micro architecture design details based on real examples * Extendible protocol architecture design * Design for efficient memory sub systems (minimizing on-chip memory and cost) * Examples of Real design based on extensive, industrial experiences