Data processing system comprising an asynchronously controlled p

Details Data processing system comprising an asynchronously controlled p Data processing system comprising an asynchronously controlled p

1996-08-23

1998-09-01

Pan, Daniel H.

Boots, shoes, and leggings

395306, 395395, 364DIG1, 364DIG2, G06F 1342, G06F 1314

Patent

active

058023313

ABSTRACT:
A data processing system transports data via successive stages of a pipeline. Whenever possible the stages are in a transparent mode so that data made available can travel through the pipeline with a minimum delay. The arrival of data is signaled by a preceding stage by making the potential on a conductive connection to the stage high. In response thereto the stage switches over to a hold mode which enables new data to be made available on its input even before the data has been passed on. The stage makes the potential on the conductive connection to the next stage high and the potential on the conductive connection to the preceding stage low again, and also sets a register. The register is reset and the stage becomes transparent again as soon as it receives an acknowledge signal from its successor, signifying that the data has been taken up. For as long as the register is in the set state, the stage does not respond to the fact that the potential on the connection to the preceding stage becomes high, except that the stage itself starts to keep the potential on the connection high.

REFERENCES:
patent: 5155726 (1992-10-01), Spinney et al.
patent: 5155854 (1992-10-01), Flynn et al.
patent: 5313386 (1994-05-01), Cook et al.
Publication by I.E. Sutherland in Communications of the ACM, vol. 32, No. 6, pp. 720-738.

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