Portable electronics are the fastest growing area of the dynamic consumer electronics industry, but developing successful products is extremely difficult. Between interface and size issues, portable electronic present some of the toughest design and engineering challenges in all of technology. This book breaks the complex design process down into its component parts, detailing every crucial issue from interface design to chip packaging, always keeping the reader focused upon the key design parameters of convenience, utility, and size that make or break a product in the marketplace.