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2010年07 期
| 標題 |
| 基于PCI總線的智能雙通道RS422通信卡設(shè)計(19 卷) |
| 英文標題 |
| Design of smart double-channel RS422 communication card based on PCI bus |
| 摘要 |
| 設(shè)計實現(xiàn)了一種基于PCI總線的智能雙通道RS422通信卡。板卡的核心部分包括PCI總線控制器PLX9052、雙口RAM，CPLD，AVR單片機Atmega128，異步收發(fā)器，及RS422總線接口芯片。 介紹RS422通信卡的硬件實現(xiàn)及系統(tǒng)軟件結(jié)構(gòu),包括應用程序設(shè)計和WDM驅(qū)動程序設(shè)計。該通信卡允許多達128個 |
| 作者 |
| 新聞作者:熊 飛，魏宗壽 |
| 關(guān)鍵字 |
