2 2 2 1 ö 2 2 ö 1 2 1 2 2 ö 第25卷第6期压电与声光 V o l. 25 N o. 6 2003年12月 P IEZOEL ECTR ICS & A COU STOO PT ICS D ec. 2003 文章编号: 1004 2474 (2003) 05 0456 03 基于D SP 和 AVR 单片机的主从式双 CPU 导航计算机 刘勇 (四川压电与声光技术研究所, 重庆 400060) 摘要: 介绍了一种小体积、低功耗、低价位的高性能导航计算机。此导航计算机由数字信号处理器(D SP) 和 AV R 单片机两种 CPU 组成,D SP 主要完成数据处理和制导算法运算, AV R 单片机主要完成信息的采集和相关控 制, 两种 CPU 各自充分发挥自己的特点, 协调地工作, 能出色地完成导航计算机的功能。 2 2 关键词导航计算机捷联惯性制导数字信号处理器单片机 : 2 ; ; (D SP); AV R 中图分类号: V 247 文献标识码: A Pr inc ipal and Subord inate Nav puter w ith D ual CPU Based on D SP and AVR Single-ch ip Processor L IU Y ong (Sichuan Institute of P iezoelectric and A cousto op tic Techno logy, Chongqing 400060, China) Abstract: T h is paper p resents a new k ind of puter w ith the characteristics of small size, low pow er, low co st and h igh perfo rm ance T h puter consist of D SP (D igital Signal P rocessing) and AV R single ch ip p rocesso r, AV R single ch ip p rocesso r has functions of data co llected and I O contro lled etc; D SP is used to p rocess the data T he AV R single ch ip p rocesso r and D SP are designed on the sam e circuit diagram to realize the algo rithm of integrated navigation system Key words: puter; strap dow n inertial guidance; D igital Signal P rocessing (D SP); AV R single ch ip p rocesso r
