一种片内硬件调试支持单元设计  

Design of On-chip Hardware Debug Support Unit

作　　者：娄冕[1] 赵翠华[1] 张洵颖[1] 吴龙胜[1] 刘佑宝[1] 

机构地区：[1]西安微电子技术研究所,陕西西安710075

出　　处：《现代电子技术》2010年第24期18-22,共5页Modern Electronics Technique

摘　　要：该模块通过AHB总线接口监听总线通信内容并将其实时记录于缓冲器中,用户可以通过该缓冲域观察系统运转;它支持在断点/观察点以及处理器陷阱等条件下通过挂起处理器进行系统诊断,同时其内部多级地址译码机制可以对所有片上控制存储单元进行定位,方便用户进行调试。通过专用的调试通信链路,用户可以方便地对嵌入式系统进行远程调试。This module can monitor the communication of bus through the interface of AHB,and record the content in the buffer,the users can observe the running of system.The unit also supports system diagnosis by holding the processors in the condition of breakpoint/watchpoint and trap handler.At the same time,its multilevel mechanism of address decoder can locate all of control and store cells on-chip,which can be easily used for debugging by user.Using special DSU communication link,the customers can operate it in the mode of remote debugging for embedded system conveniently.

关 键 词：AHB 硬件调试 跟踪缓冲 通用异步收发器 

分 类 号：TN911-34[电子电信—通信与信息系统] TP373.4[电子电信—信息与通信工程]