Reflecting the most recent changes in the ever-advancing Motorola Microcontroller market, this leading textbook for the Motorola family of microprocessors remains at the forefront of its field, as it continues to define the first foray into the world of microprocessors. Now in its Fourth Edition it builds upon the traditional coverage of 8-bit technology to include the exciting applications of Motorola's microcontrollers - the 68HC11 family - and goes beyond to include many new high-performance designs.