Bus arbitration system

Details Bus arbitration system Bus arbitration system

1995-03-15

1996-03-12

Harvey, Jack B.

Boots, shoes, and leggings

364DIG1, 364230, 3642314, 3642426, 3642428, 3642701, G06F 1336

Patent

active

054993458

ABSTRACT:
A bus arbitration system for a data processing apparatus to which a plurality of bus masters are connected. The counter section counts the duration of bus occupation of the bus masters. The arbitrating section of the apparatus monitors whether the bus is occupied. If the bus is not occupied, the bus occupation times of the bus masters with valid request signals are compared. Priority is then given to the bus master with the shortest occupation time unless the occupation times are equal, in which case, priority is given in a predetermined order. An initializing section initializes the counter section at a predetermined interval.

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