现代数字系统开发设计中，可编程器件的使用越来越普遍。
In exploitation and design of the modern digital electronic system, programmable logic device (PLD) is used more and more widely.
文章对现代数字系统设计中的IP复用方法进行了详细的介绍。
Especially, the paper discusses IP reuse technology which commonly used in modern digital system design in detail.
传统数字电路实验通常采用TTL或CMOS芯片，不能满足现代数字系统设计的要求。
TTL or CMOS chips are generally used in traditional digital circuit experiment, which can not meet the demands of the digital system designing nowadays.
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