最完整、最权威的AVR开发软件 ,aStudio4b460是比较新的版本，大家可以试一试。-the most comprehensive and most authoritative AVR software development, aStudio4b460 is a relatively new version, we can try.

SDCC (Small Device C Compiler) is free open source, retargettable, optimizing ANSI-C compiler by Sandeep Dutta designed for 8 bit Microprocessors. The current version targets Intel MCS51 based Microprocessors (8031, 8032, 8051, 8052, etc.), Dal

这是一个ICCAVR编译器，应用于AVR单片机，可对C语言进行编译，生成HEX文件-This is a compiler ICCAVR used AVR microcontroller, can be carried out on the C language compiler to generate HEX file