| 基于CPLD的图像采集存储模块的设计 |
| |
| 引用本文： | 刘政,叶汉民.基于CPLD的图像采集存储模块的设计[J].自动化与仪表,2007,22(5):66-68,75. |
| |
| 作者姓名： | 刘政 叶汉民 |
| |
| 作者单位： | 桂林工学院,电子与计算机系,桂林,541004 |
| |
| 摘 要： | 基于嵌入式系统中对图像实时采集的需要,提出了一种利用复杂可编程逻辑器件CPLD来设计DSP图像压缩系统中数据采集存储模块的方案,重点讨论了CPLD在数据采集过程中的工作流程和控制方法。全文详细分析了CPLD输入输出信号的逻辑控制时序关系,分别就模拟I2C总线、数据采集的逻辑功能设计、CPLD逻辑功能仿真验证等进行了详细介绍。
|
| 关 键 词： | 复杂可编程逻辑器件 I2C总线 总线切换 |
| 文章编号： | 1001-9944（2007）05-0066-03 |
| 修稿时间： | 2006-12-012007-05-21 |
Design of Image Acquisition and Storage Module Based on CPLD |
| |
| LIU Zheng,YE Han-min.Design of Image Acquisition and Storage Module Based on CPLD[J].Automation and Instrumentation,2007,22(5):66-68,75. |
| |
| Authors: | LIU Zheng YE Han-min |
| |
| Affiliation: | Department of Electronics and Computer Science,Guilin University of Technology,Guilin 541004,China |
| |
| Abstract: | Based on the needs for real-time image gathering in embedded system,this paper put forwards a plan utilized CPLD to design data acquisition module of image compression system based on DSP,it focuses on the procedure and control method of CPLD in the gathering.The paper analyzes the time relation of CPLD in signal input and output,and introduces respectively simulation of I2C bus,logical function design of data gathering,simulation validation of CPLD in logical function and so on. |
| |
| Keywords: | complex programable logic device(CPLD) I2C Bus Bus switch |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
