Patents by Inventor Brian John O'Mara

Brian John O'Mara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6289300
    Abstract: A data processor is provided with an embedded debugger. The debugging function is provided by the execution of a debugging program which is stored in reserved, non-volatile memory which is internal to the data processor. During the debug mode, the data processor allows the internal registers used during execution of a user program to be examined. Debug operation can be initiated via debug instruction which replaces an existing instruction in the user code, the replaced instruction being held in a special purpose register such that it can be executed on return from the debug mode. Single step operation of the data processor can be performed in debug mode and data and instructions can be exchanged with the data processor in debug mode, optionally via a single pin so as not to sacrifice any user resources.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: September 11, 2001
    Assignee: Analog Devices, Inc.
    Inventors: Dara Joseph Brannick, Patrick Michael Mitchell, Timothy J. Cummins, Brian John O'Mara