本文介绍了I2C总线的通讯特点，简要说明了I2C总线的协议规范和特点，并针对Philip公司视频解码系列芯片SAA7111A/SAA7121，从模块控制的角度说明了用FPGA实现I2C总线控制核的思路和主要设计流程。使用Cyclone系列的EP1C6Q240C8,对I2C模块进行分析综合与仿真，并在实际应用中得到满意的结果。关 键 词：I2C总线 视频解码 FPGA VHDLImplement of I2Cbus control-core with FPGA Yan Xia Fang Kangling (College of Information Science And Engineering, Wuhan University of Science And Technology, Wuhan 430081 ) Abstract: In this paper, introduce I2C bus communication characteristic and I2C bus protocol. According to video decoder SAA7111A/SAA7121 ,introduce the I2C core control ideas and the main design from the point of control modules. Analysis , synthesis and Simulation the I2C module on the Cyclone--EP1C6Q240C8. And have good results in project.Key words: I2Cbus video decoder FPGA VHDL
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