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标题 |
基于PCI总线的智能双通道RS422通信卡设计(19 卷) |
英文标题 |
Design of smart double-channel RS422 communication card based on PCI bus |
摘要 |
设计实现了一种基于PCI总线的智能双通道RS422通信卡。板卡的核心部分包括PCI总线控制器PLX9052、双口RAM,CPLD,AVR单片机Atmega128,异步收发器,及RS422总线接口芯片。 介绍RS422通信卡的硬件实现及系统软件结构,包括应用程序设计和WDM驱动程序设计。该通信卡允许多达128个 |
作者 |
新闻作者:熊 飞,魏宗寿 |
关键字 |