We introduce the work principle of the event driven state machine. Based on it, a kind of means about the multi line speech application program designing is given.
介绍了事件驱动状态机的工作原理，在此基础上，给出了一种多线语音应用程序设计方案。
By designing and compiling interface application driving program, the interrupt and query schemes of data transmission based on PCI bus are realized.
并通过设计和编写接口应用驱动程序，实现了基于PCI总线方式下数据传输的中断和查询两种方案。
This paper introduces the structure of a multimedia public broadcast system and the application of CPLD in designing a digital system, and gives a description of the program design in AHDL.
介绍多媒体公共广播系统的组成及CPLD(可编程逻辑器件)在数字系统设计中的应用，用AHDL语言描述程序设计。
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