Intersystem communication link

Details Intersystem communication link Intersystem communication link

G - Physics

06

F

354/232, 340/84

G06F 15/00 (2006.01) G06F 13/36 (2006.01) G06F 13/40 (2006.01) G06F 13/42 (2006.01)

Patent

CA 1137583

-1- INTERSYSTEM COMMUNICATION LINK ABSTRACT OF THE DISCLOSURE A logic system referred to as an intersystem link unit (ISL) is provided for accommodating the transfer of binary coded information between two or more communica- tion busses in a data processing system, wherein informa- tion including memory and non-memory read and write requests, CPU to CPU interrupts, peripheral control units to CPU interrupts may be transferred between plural communication busses each supporting plural data processing units in- cluding plural CPUs without substantially affecting the bus rate of the individual communication busses. Binary coded information from a communication bus is acquired asynchronously, and plural bus communications of different types are accommodated in parallel. The ISL units further may be dynamically reconfigured to provide for a realloca- tion of communication bus resources between communication busses.

332866

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