| 摘要 |
An ATM-cell segmentation and reassembly circuit, wherein BUS packets can be relayed at high speed without dissipating memory resources, includes a receiving-cell processing unit (100) for reassembling received cells into received packets, a transmission-cell processing unit (200) for segmenting transmission packets into transmission cells, a packet memory (300) for storing the received packets and the transmission packets, and a descriptor section (104) shared by the received-cell processing unit (100) and the transmission-cell processing unit (200) for registering reception descriptors to be used for reassembling the received cells and transmission descriptors to be used for segmenting the transmission packets, wherein a reception descriptor used for reassembling the received cells into a received packet is used as a transmission descriptor for segmenting the received packet into the transmission cells when the received packet is to be relayed towards another terminal.
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