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为解决低速ＡＴＭ信号高效经过ＳＤＨ网络进行传输，设计了ＡＴＭ－ＳＤＨ分接／复接系统中的专用集成电路ＴＨＨＴ９７Ｃ０１芯片。设计中通过采用基于硬件描述、自顶而下的高层设计流程，包括系统模块分解、算法分析、设计描述和综合优化等步骤，完成了构成ＡＴＭ－ＳＤＨ分接／复接系统中ＴＨＨＴ９７Ｃ０１芯片的逻辑设计；并采用ＡＬＴＥＲＡＦＰＧＡ完成了芯片的硬件实现。设计工作中提出了低速ＡＴＭ信号通过ＳＤＨ传输系统的完整方案及其专用集成电路实现结构；同时得到了功能模块库，以供类似设计中再利用。
In order to solve the problem that the low speed ATM signal is transmitted efficiently through the SDH network, the THHT97C01 chip in the ATM-SDH tapping / multiplexing system is designed. Design through the use of hardware description, top-down high-level design flow, including the system module decomposition, algorithm analysis, design description and comprehensive optimization steps constitute ATM-SDH tap / multiplex system THHT97C01 chip logic Design; and using ALTERAFPGA completed the chip hardware. In the design work, a complete scheme of low speed ATM signal passing SDH transmission system and its ASIC implementation structure are proposed. At the same time, a functional module library is obtained for reuse in a similar design.