Keil C51 软件是众多单片机应用开发的优秀软件之一，它集编辑，编译，仿真于一体，支持汇编,PLM 语言和 C 语言的程序设计，界面友好，易学易用。-Keil C51 software is many SCM development of one of the excellent software, it sets the editor, compiled, the simulation at an organic whole, support assembly, language and C language PLM program design, friendly interface, easy to use.