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Class Information
Number: 710/110
Name: Electrical computers and digital data processing systems: input/output > Intrasystem connection (e.g., bus and bus transaction processing) > Bus access regulation > Bus master/slave controlling
Description: Subject matter wherein a digital data processing system component is provided with control over other digital data processing system components connected to the bus.

Patents under this class:

Patent Number Title Of Patent Date Issued
5214644 Electronic device with data transmission function May. 25, 1993
5199106 Input output interface controller connecting a synchronous bus to an asynchronous bus and methods for performing operations on the bus Mar. 30, 1993
5195186 Condition connection for a parallel component processor and method Mar. 16, 1993
5193159 Microprocessor system Mar. 9, 1993
5140680 Method and apparatus for self-timed digital data transfer and bus arbitration Aug. 18, 1992
5131085 High performance shared main storage interface Jul. 14, 1992
5109490 Data transfer using bus address lines Apr. 28, 1992
5062044 Temporary bus master for use in a digital system having asynchronously communicating sub-systems Oct. 29, 1991
5056000 Synchronized parallel processing with shared memory Oct. 8, 1991
5043877 Architecture converter for slave elements Aug. 27, 1991
4994961 Coprocessor instruction format Feb. 19, 1991
4990907 Method and apparatus for data transfer Feb. 5, 1991
4949241 Microcomputer system including a master processor and a slave processor synchronized by three control lines Aug. 14, 1990
4942519 Coprocessor having a slave processor capable of checking address mapping Jul. 17, 1990
4935868 Multiple port bus interface controller with slave bus Jun. 19, 1990
4926318 Micro processor capable of being connected with a coprocessor May. 15, 1990
4924434 Sharing word-processing functions among multiple processors May. 8, 1990
4912633 Hierarchical multiple bus computer architecture Mar. 27, 1990
4894768 Data processing system with coprocessor Jan. 16, 1990
4876643 Parallel searching system having a master processor for controlling plural slave processors for independently processing respective search requests Oct. 24, 1989
4860191 Coprocessor with dataflow circuitry controlling sequencing to execution unit of data received in tokens from master processor Aug. 22, 1989
4821231 Method and apparatus for selectively evaluating an effective address for a coprocessor Apr. 11, 1989
4816997 Bus master having selective burst deferral Mar. 28, 1989
4817037 Data processing system with overlap bus cycle operations Mar. 28, 1989
4774625 Multiprocessor system with daisy-chained processor selection Sep. 27, 1988
4758978 Method and apparatus for selectively evaluating an effective address for a coprocessor Jul. 19, 1988
4750110 Method and apparatus for executing an instruction contingent upon a condition present in another data processor Jun. 7, 1988
4736319 Interrupt mechanism for multiprocessing system having a plurality of interrupt lines in both a global bus and cell buses Apr. 5, 1988
4731736 Method and apparatus for coordinating execution of an instruction by a selected coprocessor Mar. 15, 1988
4715013 Coprocessor instruction format Dec. 22, 1987
4654784 Circuit arrangement for routing signals between a master-slave pair of controlling processors and several master-slave pairs of controlled processing units Mar. 31, 1987
4648034 Busy signal interface between master and slave processors in a computer system Mar. 3, 1987
4641238 Multiprocessor system employing dynamically programmable processing elements controlled by a master processor Feb. 3, 1987
4594654 Circuit for controlling external bipolar buffers from an MOS peripheral device Jun. 10, 1986
4591967 Distributed drum emulating programmable controller system May. 27, 1986
4503513 Radio receiver system including a control unit and a remote unit Mar. 5, 1985
4497038 Electronic controller having a detachable front panel Jan. 29, 1985
4495573 Method and device for transmission of digital data Jan. 22, 1985
4484273 Modular computer system Nov. 20, 1984
4467412 Slave processor with clock controlled by internal ROM & master processor Aug. 21, 1984
4396978 Multiprocessor system with switchable address space Aug. 2, 1983
4257099 Communication bus coupler Mar. 17, 1981
4149238 Computer interface Apr. 10, 1979
4099236 Slave microprocessor for operation with a master microprocessor and a direct memory access controller Jul. 4, 1978
4096566 Modular signal processor having a hierarchical structure Jun. 20, 1978

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