本文介紹了I2C總線的通訊特點，簡要說明了I2C總線的協(xié)議規(guī)范和特點，并針對
Philip公司視頻解碼系列芯片SAA7111A/SAA7121，從模塊控制的角度說明了用
FPGA實現(xiàn)I2C總線控制核的思路和主要設計流程。使用Cyclone系列的EP1C6Q240C8,
對I2C模塊進行分析綜合與仿真，并在實際應用中得到滿意的結果。
關 鍵 詞：I2C總線 視頻解碼 FPGA VHDL

Implement 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