| 潘园园， 颜国正， 黄标 |
（上海交通大学 信息检测及仪器系，上海200030） |
 摘要：微型无创介入式人体全消化道生理参数检测系统可以实时、动态长时间检测人体整个胃肠道温度和压力值。设计了一种微型双向射频通信系统，用于电子胶囊和体外接收器的传输，重点介绍了该系统的硬件接口和软件设计。 |
| 关键词：双向射频；IA4420；C8051F331单片机；SPI |
| 中图分类号：TP274.2文献标识码：A文章编号：1000-8829(2006)05-0081-03 |
| Miniature Bi-Directional RF Communication System Based on IA4420 |
| PAN Yuan-yuan, YAN Guo-zheng, HUANG Biao |
| (820 Institute of Information Measurements and Precision Instruments Department,School of Electronics and Electrical Technology,Shanghai JiaoTong University,200030，China) |
| Abstract：The miniature,non-invasive,physiological parameters measuring system for whole alimentary tract can measure temperature and pressure for a long time and get real-time value.This miniature,bi-directional RF communication system is used to transmit data between electro-capsule inside the body and receiver outside.The hardware interface and software designed are analyzed. |
| Key words：bi-directional RF;IA4420;C8051F331 microcontroller;SPI |
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