摘要
在GPS导航定位系统中,地磁方位是一个很重要的参数。V2XE是PNI公司新推出的基于SPI接口的地磁传感器。分析了其工作原理和指令集,并结合实际介绍了V2XE在AT89C2051型单片机系统中的硬件连接和软件编制。结果表明,该系统测量地磁方向和温度的精度较高。该系统已经应用到实际的GPS产品中并取得较好的效果。
Magnetic heading is an important parameter in GPS locating system.V2XE is a kind of newmagnetic filed sensor of PNI corporation. After analyzing its principle and directive, the hardware and program of a 2051 system with V2XE are introduced.Result shows that this system has got a great accuracy in measurement of magnetic heading and temperature,This system has been used in a GPS product and got a good effect.
出处
《国外电子元器件》
2006年第1期67-69,共3页
International Electronic Elements
关键词
地磁
SPI接口
V2XE
磁场传感器
应用
magnetic heading
SPI interface
V2XE
magnetic sensor
application
