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在集成系统中为软件与硬件分别设计了ＥＳＤＬ语言和ＥＨＤＬ语言·ＥＳＤＬ是ＡＮＳＩＣ的超集，它为嵌入式编程增加了一些数据类型·ＥＨＤＬ语言是ＶＨＤＬ语言的子集·一个基于离散事件的模拟器被用来控制软件、硬件的模拟运行·开发人员可以利用调试器调试嵌入式软件及整个嵌入式系统·利用这个虚拟的集成环境，软件开发人员可以在设计初期发现与硬件相关的错误，硬件开发人员可以获得系统功能的真实描述·硬件、软件的设计错误可以在系统制造之前被发现、修改·
ESDL and EHDL languages are designed for both software and hardware in an integrated system • ESDL is a superset of ANSIC that adds some data types to embedded programming • EHDL is a subset of VHDL • A simulation based on discrete events Is used to control software and hardware emulation. • Developers can use debugger to debug embedded software and the entire embedded system. · This virtual integrated environment enables software developers to discover hardware-related errors early in the design process. Hardware Developers can get a true description of the system functions · hardware, software design errors can be found before the system is manufactured, modify