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| 摘要: |
| 为减轻微机母线主保护CPU的工作负荷，开发一个以80386EX为核心的智能打印板完成数据处理及打印任务，硬件结构由微处理器和串口控制器两部分组成，程序分为主程序和中断子程序两部分，经实践证明此打印板可大大减少主保护CPU工作负担且具有高抗干扰性，高可靠性、低出错等优点。 |
| 关键词: 智能打印机 开发 应用 微机保护 母线保护 |
| DOI： |
| 分类号:TP334.8 TM773 |
| 基金项目: |
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| Design and application of aptitude printer |
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MAO Nai-hu
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| Abstract: |
| An intelligent printer card is designed to reduce the main CPUs 'working load of digital bus protection,which is based on80386EX and used to implement the tasks of printing data processing and print.It is composed of the microprocessor system and a serial port controller.The software is divided into main program and interruption program.Its practice shows that the main CPUs 'load is reduced soundly.The card has better performance with higher anti-interference ability and reliability. |
| Key words: digital bus protection,multi-CPU,intelligent printer card, |
