An Embedded Debug Structure for VLIW DSP

LEI Ting; HE Hu; SUN Yi-he

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An Embedded Debug Structure for VLIW DSP

更新时间：2026-09-04

- An Embedded Debug Structure for VLIW DSP
- Vol. 27, Issue 7, Pages: 1-6(2010)
- 作者机构：
  
  清华大学微电子学研究所清华信息技术国家实验室,北京,100084
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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雷庭, 何虎, 孙义和. 一种适用于VLIW数字信号处理器的嵌入调试结构[J]. 微电子学与计算机, 2010, 27(7): 1-6.

LEI Ting, HE Hu, SUN Yi-he. An Embedded Debug Structure for VLIW DSP[J]. 2010, 27(7): 1-6.
雷庭, 何虎, 孙义和. 一种适用于VLIW数字信号处理器的嵌入调试结构[J]. 微电子学与计算机, 2010, 27(7): 1-6. DOI：

LEI Ting, HE Hu, SUN Yi-he. An Embedded Debug Structure for VLIW DSP[J]. 2010, 27(7): 1-6. DOI：

摘要

超长指令字(Very Lone Instruction Word

VLIW)结构是数字信号处理器(DSP)设计中的一种常用结构.用户在开发应用程序的过程中常常会出现错误

查找并修复错误的调试过程要求芯片具有硬件调试功能.对此提出了一种适用于VLIW结构DSP的嵌入调试结构

通过为数不多的调试接口

能够观察芯片的内部信号

设置芯片的状态

控制程序执行过程

从而实现芯片的硬件调试.最后

在一款VLIW结构的DSP——THUASDSP2004上

实现了提出的嵌入调试结构.

Abstract

VLIW is a commonly used architecture in the DSP designing. When developing application program for VLIW DSP

bugs are inevitable. It takes much time for software developer to debug and validate the program. In this paper

we present a hardware debug structure for the VLIW DSP processor

which allows the developer to debug the program on chip. Through the debug interface

we can easily trace the program

change the value of the registers

and control the execution. The debug structure is embedded while designing the DSP.

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