ip core 开发小组 hdl 编码风格与编码指导

hdl编码风格与编码指南
草案初稿
作者
徐欣
孙广富
rev. 0.1
june 30，2002
ip core 开发小组 hdl 编码风格与编码指导 dr.xuxin@163.net
目 录
第一部分：说明...............................................................................................................................4
第二部分：hdl编码风格..............................................................................................................5
1. 文件头和修订列表..............................................................................................................5
1．1文件头包含以下内容：..........................................................................................5
1．2修订列表包含以下内容：......................................................................................5
2．联机注释.............................................................................................................................7
3．命名规则.............................................................................................................................7
3．1 实体和结构.............................................................................................................7
3．2 端口.........................................................................................................................7
3．3 结构体.....................................................................................................................8
3．4 元件 component.....................................................................................................8
3．5 配置.........................................................................................................................8
3．6包、函数和过程......................................................................................................8
3．6．1 包...............................................................................................................8
3．6．2 函数和过程...............................................................................................8
3．7常量和类属说明......................................................................................................9
3．8枚举（enumeration），数据类型，记录和数组....................................................9
3．9信号和变量..............................................................................................................9
3．9．1 信号...........................................................................................................9
3．9．2 变量...........................................................................................................9
3．10进程和块..............................................................................................................10
3．10．1 进程.......................................................................................................10
3．10．2 块...........................................................................................................10
3．11测试工作台 test bench........................................................................................10
3．12文件和目录结构..................................................................................................10
3．13其它......................................................................................................................10
第三部分：hdl编码指导............................................................................................................11
1．复位..................................................................................................................................11
1．1 作用.......................................................................................................................11
1．2 推荐：.......................