学习一种编程语言，需用一个好的编程环境，Freescale为广大的用户提供了免费的Codewarrior集成开发系统。为用户快速步入单片机的C语言编程提供一个很好的平台。-Learning a programming language, needed a good programming environment, Freescale for the majority of users with a free Codewarrior integrated development system. For the user to quickly step into the microcontroller C programming language provides a good platform.