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
Badge or pin
Display screen with transitional icon
Mobility management in a communications system
Semiconductor integrated circuit
Method and apparatus for transmitting and receiving a signal in a communication system
Camera with monitor
Towel clip
  Randomly Featured Patents
Method for preparing imidazole derivatives
Layered space time processing in a multiple antenna system
Apparatus for dispensing, filling and capping a plurality of cups
Virtual flow cytometry on immunostained tissue-tissue cytometer
Method for controlling auto focusing of a camera
Clamped-wave lid seal structure
Chemical compounds
Flexible mandrel for highly contoured composite stringer
Speech recognition method and speech recognition apparatus