This article introduces the use of TI's UART expansion chip 16c550c to extend the ARM11 serial,rnimplementing the design of console management,so that the user can access and set the switch through thernconsole without more complex terminal emulation programmes.Console management allows the staff to setrnthe switch simply and quickly who have no extensive knowledge of technology,thereby reducing the cost ofrndeployment.%介绍了利用TI公司的UART扩展芯片16C550C来扩展ARM11的串口,实现CONSOLE管理的设计方案,使用户可以通过控制台访问和设置交换机,无需更多复杂的终端模拟程序.控制台管理允许没有丰富技术知识的人员简单、快速地设置交换机,从而降低了部署成本.
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