USB Core 通过总线接口单元(BIU, Bus Interface Unit)和微处理器通信。这些电路全部 可以用硬件描述语言实现，进行综合后在FPGA 中 进行验证。
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在微引擎中的包的接收和转发是通过利用IX总线接口单元的接收状态机和转发状态机来完成的。
To IXP1200 Network Processor, receiving packet and transmitting packet are finished by Receive State Machine and transmit State Machine in IX bus separately.
作为标准化的尝试，本系统实现了标准的保护电路单元和恢复时间电路单元，通过44芯总线插座与标准总线接口连接。
As a try for circuit standardization, the system realizes the standard protection circuit unit and recovering-time circuit unit, which are connected to system through standard 44 pins' bus interface.
我们的产品作为现场总线应用和电源的接口，在工业控制单元内部得到广泛应用。
Our products are utilized inside industrial control units, as interfaces for field bus applications and for power supplies.
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