Patent ID: 6035361
Filing Date: 2000-03-07
Classification: G06F

Abstract:
A cell bus arbitration device, comprising:filtering means for receiving bus request signals including service mask data from an external source and using the service mask data for outputting signals to remain unmasked;decoding means for receiving and decoding the ouput signals from said filtering means and outputting a highest priority request signal according to a previously designated priority signal;latching and counting means for latching the previously designated priority signal to maintain bus use signals in a certain section of time for the highest priority request signal from said decoding means and outputting bus grant signals by counting the priority signal in response to an external clock signal;service flag means for receiving said bus grant signals, maintaining bus use records for a certain service entity, and outputting data maintained according to said bus grant signals in the form of said service mask data, anddetecting means for detecting a status of the bus request signals in response to said bus grant signals and controlling said service flag means.