文件名称:Trafficcontrolsystemdesign
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⒈ 了解交通灯管理的基本工作原理
⒉ 熟悉8259中断控制器的工作原理和应用编程
⒊ 熟悉8255并行接口的各种工作方式和应用
⒋ 熟悉8253计数器/定时器的工作方式及应用编程，掌握利用软硬件相结 合定时的方法
⒌ 掌握多位LED显示问题的解决
-But understand the basic principle of management of traffic
The 8259 interrupt controller with the working principle and application programming
3 8255 parallel interface with various working mode and application
The familiar 8253 counter/timer way of working and application programming, using hardware and timing of the guitar
More than ⒌ master LED display problems
⒉ 熟悉8259中断控制器的工作原理和应用编程
⒊ 熟悉8255并行接口的各种工作方式和应用
⒋ 熟悉8253计数器/定时器的工作方式及应用编程，掌握利用软硬件相结 合定时的方法
⒌ 掌握多位LED显示问题的解决
-But understand the basic principle of management of traffic
The 8259 interrupt controller with the working principle and application programming
3 8255 parallel interface with various working mode and application
The familiar 8253 counter/timer way of working and application programming, using hardware and timing of the guitar
More than ⒌ master LED display problems
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Trafficcontrolsystemdesign.doc