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Xilinx offers 32-bit Java MPU

Posted: 16 Jun 2001 ?? ?Print Version ?Bookmark and Share

Keywords:mpu? processor core? lavacore? jvm? ip?

Xilinx Inc. released the LavaCore Java soft 32-bit processor core, which targets embedded Java applications and such smart Internet appliances such as wireless phones, STBs, distributed and secure network computers.

According to the company, the Xilinx AllianceCore partner Derivation Systems developed the 32-bit configurable processor core.

The companies said Java has typically been undermined by long byte-code execution times in standard CPUs, which is unacceptable for embedded Java applications. The new core, however, eliminates that drawback by executing Java byte codes directly in hardware as it targets Virtex-II devices.

The LavaCore processor has 32-bit address and data buses that are designed to add optional modules, including local memory, a floating-point unit, Data Encryption Standard encryption engine and garbage collector.

The instruction set implements Java virtual machine (JVM) instructions, allowing designers to include them in embedded systems requiring small memory footprints and short Java applet run-times.

In addition, the LavaCore processor is compact and user-configurable for specialized applications where only a subset of the JVM instructions is needed.

The processor core software tools include Java application linker/builder, debugger and a run-time environment. Engineers can use the configuration environment?available for an extra fee?to develop customized versions of the LavaCore processor.

The companies said the processor core is available for immediate use in the Xilinx family of FPGAs. The netlist version of the LavaCore processor core and software tool suite is available from Derivation Systems and includes the Linker/builder, debugger and run-time environment.

The data sheet for the core can be downloaded from the Xilinx IP Center at www.xilinx.com/ipcenter.

? Michael Santarini

EE Times





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