Resources Contact Us Home
Lookahead bus arbitration system with override of conditional access grants by bus cycle extensions for multicycle data transfers

Image Number 7 for United States Patent #4980854.

A system and method for nodes to obtain access to a bus. In this arbitration method, a central arbiter selects a particular node and issues a conditional grant. The conditional grant is transmitted before it is determined whether access to the bus will actually transfer to another node. Each node contains distributed logic that examines an extend bus cycle signal to determine whether it can become a transmitter to transfer messages on the bus. When a node becomes a transmitter, it generates an extend bus cycle signal to maintain access to the bus when executing a multi-cycle transfer, even though other nodes, perhaps with higher priorities, require access to the bus.

  Recently Added Patents
Tools and methods for yield-aware semiconductor manufacturing process target generation
System and method for controlling device location determination
System and method for testing an integrated circuit embedded in a system on a chip
Duty cycle adjustment of remote illumination source to maintain illumination output
Carrier or transport strip
Layout design defect repair based on inverse lithography and traditional optical proximity correction
Toner cartridge
  Randomly Featured Patents
System and method for bundled location and regional inspection
Life line apparatus
Process for preparing polyamides
Method for repairing and retreading vehicle tires
Formers for coils
Resource allocation in a NUMA architecture based on separate application specified resource and strength preferences for processor and memory resources
Automatic closure for shock attenuating apparatus
High efficiency off-line linear power supply
Cooling by conversion of para to ortho-hydrogen
Computer-readable storage medium storing game program, game apparatus, and processing method