Bus recovery apparatus and method of recovery in a multi-master

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39518508, 395557, G06F 13362

Patent

active

058450971

ABSTRACT:
A bus recovery system for multi-master bus system comprises a plurality of bus masters selectively interfacing with a system bus whereby access to the bus is controlled by a bus arbiter. A plurality of counters corresponding to each of the plurality of masters contains a pre-determined time value corresponding to the maximum time each of the plurality of masters may be granted access to bus. The arbiter releases ownership of the bus when the pre-determined time value in the counter has been exceeded by master currently accessing the bus. A register identifies which of the masters had access to the bus when the predetermined time value was exceeded.

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