Xilinx, Inc.

Tony Viet Nam Le

Stacey Secatch

Thomas E Fischaber

Roscoe Conkling Nelson, Iv

A method of configuring a plurality of memory elements having selectable dimensions, the method comprising the steps of selecting a width of a data word to be output by a circuit having the plurality of memory elements; selecting a width for memory locations of the plurality of memory elements, the width for the memory location being less than the width of a data word; configuring the plurality of memory elements to have the selected width; and concatenating the outputs for the plurality of memory elements to generate a concatenated output comprising a data word. A circuit for configuring a plurality of memory elements having selectable dimensions is also disclosed.

Method of and circuit for configuring a plurality of memory elements

A buffer management system for a data processing system can include a plurality of tokens wherein each token is associated with one of a plurality of buffers, and a plurality of first-in-first-out (FIFO) memories. Each FIFO memory can be associated with a stage of the data processing system and is configured to store at least one of the tokens. The buffer management system also can include control logic configured to determine a state of one or more selected buffers and transfer the token associated with the selected buffer from a source FIFO memory to a target FIFO memory. The target FIFO memory can be selected according to the state of the selected buffer.

Token ecosystem for buffer management

A method and system for simulation of a communications bus. A simulation arrangement is configured with a behavioral agent and an application agent coupled to the bus. Bus commands are selectively loaded in the behavioral and application agent in accordance with a desired simulation sequence. The behavioral agent is configurable with phase behavior instructions that specify assertion and deassertion times for selected signals by the behavioral agent. Compliant and non-compliant bus behavior can be simulated with the phase behavior instructions.

Method and system for simulating a communications bus

A method and system for demonstrating simulation of a communications bus. In various embodiments, methods and systems are described which support recording a simulation of a system having a communications bus and playback of the recorded simulation. Bus signal vectors are recorded by recorder logic during the simulation, and player logic reads the recorded signal vectors and provides the appropriate bus signals at the appropriate times during playback of the simulation.

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Tony Viet Nam Le