Avoiding non-unique identifiers for bus devices

Details Avoiding non-unique identifiers for bus devices Avoiding non-unique identifiers for bus devices

1996-12-30

1999-04-06

Sheikh, Ayaz R.

395280, 395283, 395299, G06F 13376

Patent

active

058929290

ABSTRACT:
A method and apparatus of assuring uniqueness of identification numbers of bus devices connected to a bus. Each bus device has a current identification number. At each of the bus devices, an identification number is received on a bus and the bus is contended for based on the received identification number. If more than one bus device is detected contending for the bus, the current identification number of one of the bus devices is changed. Each of the bus devices compares the received identification number to the current identification number of the bus device. A bus device provides a match indication, including driving a signal, if the comparison produces a match. Each bus device includes a collision detector for detecting if more than one bus device is driving the signal.

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