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Processors/DSPs??

PMC modules interface I/O signals to Virtex-5 FPGAs

Posted: 18 Apr 2008 ?? ?Print Version ?Bookmark and Share

Keywords:I/O processing? DSP? flash memory?

Acromag's PMC-VSX modules feature a DSP-optimized Xilinx Virtex-5 FPGA that is reconfigurable for high-performance I/O processing and user-developed algorithmic computation. The PMC base card provides 64 LVDS I/O channels accessible via P4 rear connectors. Inserting optional front-connecting AXM I/O extension modules augments I/O processing capabilities with an interface for 16bit 105MHz A/D conversion, CMOS digital I/O, RS-485 differential signals or extra LVDS I/O lines. Typical uses include video, imaging, radar/sonar, electronic warfare, signal intelligence and communication processing.

Application programs are downloaded directly into the FPGA or to flash memory from the PCI bus. Acromag's Engineering Design Kit provides utilities to help users develop custom programs, load VHDL into the FPGA, and to establish DMA transfers between the FPGA and the CPU. Powerful and versatile, this PMC module employs Xilinx's VSX95T Virtex-5 FPGA with 95,000 logic cells and 640 dedicated 18 x 25 DSP48E slices. The DSP48E slice simplifies implementation of high-performance filters and complex math functions. These performance-tuned DSP engines perform up to 352 GMACs at 550MHz for execution of the most compute-intensive algorithms.

The module features two banks of 32Mbit x 16bit DDR2 SDRAM. Processed data moves to two banks of 256Kbit x 32bit dual-ported SRAM for high-speed DMA transfer to the PCI bus. A high-bandwidth PCI-X interface supports 100MHz and 66MHz PCI bus modes.

For embedded Windows applications, Acromag developed a DLL driver software package for compatibility with Microsoft Visual C++ and Visual Basic. For connectivity with real time application programs, Acromag offers C libraries for VxWorks, QNX and other operating systems.

Boards start at $6,750 with extended temperature (-40C to 85C) and conduction-cooled models available.

- Embedded.com





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