| 基于CPLD的DSP单元外围控制枢纽的设计 |
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| 引用本文： | 王彦兵,王红,杨士元,韩宇杰. 基于CPLD的DSP单元外围控制枢纽的设计[J]. 自动化与仪表, 2011, 0(8) |
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| 作者姓名： | 王彦兵 王红 杨士元 韩宇杰 |
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| 作者单位： | 清华大学自动化系; |
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| 摘 要： | 数字信号处理器(DSP)以其数据处理功能强大的特点在嵌入式设备中得到广泛应用,作为设备数据处理核心的DSP,往往需要多种外设的协同工作。而DSP本身接口有限,且片内资源应尽量集中于核心运算功能,故需引入外部控制与协调模块。文中实现了一种基于复杂可编程逻辑器件(CPLD)的控制与协调模块,协助DSP芯片TMS320C6713进行逻辑控制和时序协调,从而实现具备完整存储、通讯、复位功能的数据处理单元,并应用于一个超声波流量检测系统,保证了系统的精确信号采样和高速数据处理。
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| 关 键 词： | 数字信号处理器 复杂可编程逻辑器件 控制 协调 |
Design of DSP Peripheral Controller Based on CPLD |
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| WANG Yan-bing,WANG Hong,YANG Shi-yuan,HAN Yu-jie. Design of DSP Peripheral Controller Based on CPLD[J]. Automation and Instrumentation, 2011, 0(8) |
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| Authors: | WANG Yan-bing WANG Hong YANG Shi-yuan HAN Yu-jie |
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| Affiliation: | WANG Yan-bing,WANG Hong,YANG Shi-yuan,HAN Yu-jie(Department of Automation,Tsinghua University,Beijing 100084,China) |
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| Abstract: | The digital signal processor(DSP) performances highly in data processing and was widely used in embedded equipment.As the core,it cooperates with lots of peripheral devices.The DSP chip has limited I/O ports and should focus on data processing,so a controller was designed utilizing complex programmable logic device(CPLD) to realize the coordinated control of peripheral resources,which accomplishes a data processing unit with data storage,communication and reset logic.This unit was applied to an ultrasonic c... |
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| Keywords: | digital signal processor(DSP) complex programmable logic device(CPLD) controller coordinate |
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