G - Physics – 06 – F
Patent
G - Physics
06
F
340/84
G06F 15/167 (2006.01) G06F 13/28 (2006.01) G06F 15/16 (2006.01)
Patent
CA 1173928
- 24 - CHANNEL INTERFACE CIRCUIT Abstract of the Disclosure A channel interface circuit functions in a multiprocessor environment to provide a high speed interface between a processor and the communication channel which interconnects all the processors. The communication channel carries data messages, which messages contain a header field specifying source, destination and control information. The channel interface circuit is programmable and serves to dynamically translate the header field of the data message as it is received and thereby determine whether this data message is to be stored in the processor memory. If the data message is to be stored, the channel interface circuit immediately converts the header field into a hardware address, which is used to activate a specific location in processor memory. The data message is then inputted (via DMA) to this memory location and the appropriate buffer pointers are reset. Thus, the channel interface circuit performs all the data receiving tasks, including message storage and linking, without requiring the involvement of the associated processor.
404736
Kirby Eades Gale Baker
Western Electric Company Incorporated
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