The book entitled Advanced Microprocessors and Microcontrollers has been designed as a textbook for undergraduate programmes (Electronics & Communication, Electronics & Instrumentation, Electrical & Electronics). The purpose of the book is to give an in-depth study of both hardware and software included in the microprocessor based system design. The book exposes the students to the advanced features of the microprocessors and microcontrollers and enables the students to understand various microcontroller architectures.