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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.