Method of detecting and monitoring master device...

Details Method of detecting and monitoring master device... Method of detecting and monitoring master device...

2008-05-27

2008-05-27

Phan, Raymond N (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S110000, C710S316000, C326S063000, C713S340000

Reexamination Certificate

active

11285098

ABSTRACT:
A bus monitoring device includes a detector to detect a signal on the bus. The signal is initiated by one of a plurality of devices coupled to the bus. A clamp circuit is included to clamp the signal to a first predefined level in response to the signal being initiated by a first device of the plurality of devices. A comparator circuit compares the signal and a voltage reference to determine whether the first device initiated the signal.

REFERENCES:
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patent: 5128557 (1992-07-01), Milby et al.
patent: 5436552 (1995-07-01), Kajimoto
patent: 5561391 (1996-10-01), Wellnitz et al.
patent: 5948077 (1999-09-01), Choi et al.
patent: 7124312 (2006-10-01), Casebolt et al.
System Management Bus Specification, Revision 1.0, Feb. 15, 1995, Benchmarq Microelectronics Inc. et al.

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