Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

MICRO-

CONTROLLERS

AND

EMBEDDED PROCESSORSCriteria for Choosing a Microcontroller

‰Meeting the computing needs of the task at hand efficiently and cost effectively

¾Speed¾Packaging¾Power consumption¾The amount of RAM and ROM on chip¾The number of I/O pins and the timer on chip¾How easy to upgrade to higher-performance or lower power-consumption versions¾Cost per unit