| 一种基于VG2控制的I2C总线键盘接口设计 |
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| 引用本文： | 秦剑,王金玲,穆道明,王建平.一种基于VG2控制的I2C总线键盘接口设计[J].合肥工业大学学报(自然科学版),2005,28(12):1561-1564. |
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| 作者姓名： | 秦剑 王金玲 穆道明 王建平 |
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| 作者单位： | 合肥工业大学,电气与自动化工程学院,安徽,合肥,230009 |
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| 摘 要： | 采用ADChips公司的32位多媒体芯片Virgine G2与具有I2C总线接口的M62334 DAC的连接,实现了轿车视音汉字显示操作控制系统的AD键方式键盘控制和自定义数字键盘控制;文章介绍了Virgine G2与I2C总线控制的自定义接口与通信协议,论述了系统功能特点,给出了硬件电路原理图和软件设计框图;用该电路对西门子CD723汽车音响控制器、车载电视及DVD等设备进行控制,功能强,效果好.
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| 关 键 词： | 汽车视音 Virgine G2 M62334 I2C总线 |
| 文章编号： | 1003-5060(2005)12-1561-04 |
| 修稿时间： | 2004年12月9日 |
A key circuit design with the I2C bus based on VG2 controlling |
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| QIN Jian,WANG Jin-ling,MU Dao-ming,WANG Jian-ping.A key circuit design with the I2C bus based on VG2 controlling[J].Journal of Hefei University of Technology(Natural Science),2005,28(12):1561-1564. |
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| Authors: | QIN Jian WANG Jin-ling MU Dao-ming WANG Jian-ping |
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| Abstract: | In this paper,the interface circuit of M62334 and Virgine G2(VG2) manufactured by ADChips Co.is adopted,and the AD key-control mode and the self-defining digital key-control mode in the car's vision and sound display control system are designed.The self-defining interface and communication protocol between Virgine G2 and the I2C bus are introduced.The system's functions,hardware circuit-diagram and software flow chart are described.The circuit is applied to control of the car's sound controller of SIEMENS CD723 and TV and DVD devices,and the effect is good. |
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| Keywords: | car's vision and sound Virgine G2(VG2) M62334 I2C bus |
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