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Xilinx EDK includes no-fee peripheral IP cores

Posted: 28 Feb 2008     Print Version  Bookmark and Share

Keywords:free IP cores  intellectual property  embedded processing systems 

Xilinx Inc. has expanded its catalog of no-fee intellectual property (IP) cores for designing embedded processing systems with Xilinx platform FPGAs. The 10/100 Ethernet MAC Lite, single precision floating-point unit, industry standard UART 16450/16550 controller and I²C interface IP cores can now be licensed at no charge.

Made available through the Xilinx Embedded Development Kit (EDK), the four IP cores have been ported to the enhanced on-chip CoreConnect bus structure, the Processor Local Bus version 4.6 (PLB46) that Xilinx introduced last November, to be implemented in designs using the MicroBlaze soft processor and the PowerPC processor embedded in the Virtex family of FPGAs.

"The EDK now includes over 40 popular cores for licensing at no charge that can be used for a wide range of applications for PowerPC and MicroBlaze processor systems," said Tim Erjavec, director of embedded and DSP marketing at Xilinx. "Using the EDK suite of no-fee IP cores, designers can select and build an unlimited number of configurations to meet their needs and not incur the additional costs associated with traditional IP license agreements."

In addition to the no-fee IP cores, numerous other value-core options are available separately from Xilinx and partners including a Tri-Mode Ethernet MAC, USB2, CAN and the FlexRay controller.

Peripherals for Xilinx embedded processing now available at no charge include:

IP Core Part Number
IIC Interface DO-DI-IIC-SD
UART 16450/16550 DO-DI-UART-SD
10/100 Ethernet MAC Lite DO-DI-10-100-EMACLITE
Floating-point unit (Single precision) DO-DI-FPU-SP

The IIC interface IP core provides an industry standard two-wire, peer-to-peer serial bus interface for device communication. This core provides master, slave and multimaster operations, supporting 400KHz fast mode and 100KHz standard mode. The UART 16450/16550 IP core works in both 16450 and 16550 modes and performs the parallel to serial conversion on characters received from a CPU and serial to parallel conversion on characters received from a microprocessor peripheral.

Optimised to provide the basic Ethernet functions with the least resources used, the 10/100 Ethernet MAC Lite supports IEEE 802.3 Media Independent Interface (MII) to industry standard PHY devices and communicates to a processor via a Processor Local Bus (PLB46) interface. This core provides interfaces for both 10Mbit/s and 100Mbit/s.

The MicroBlaze soft processor has an optional configuration for implementing floating-point support via the automated Platform Studio tool suite. By comparison, the Xilinx auxiliary processor unit (APU) floating-point unit IP core is designed specifically for the PowerPC 405 hard processor core implemented in the Virtex-4 FX family of FPGAs. This core provides support for IEEE 754 floating-point arithmetic operations in single precision. Software applications can use native PowerPC processor floating-point instructions to achieve sustained performance of up to 100MFLOPS.

The no-fee IP cores are available now, delivered with the Xilinx EDK and licensed via the online IP registration center. EDK version 9.2 is available for Rs.19,485.77 ($495) and includes the MicroBlaze v7 processor core with new optional memory management unit (MMU), Xilinx Platform Studio (XPS) 9.2 tool suite, software drivers, documentation and reference design examples.

XPS 9.2 supports MicroBlaze and PowerPC processing design for Virtex-5, Virtex-4, Virtex-II Pro and Spartan-3 FGPAs. XPS 9.2 supports a broad range of computing platforms, including Windows XP (32bit SP1 and 2), Linux Red Hat Enterprise (32bit 5.0 and 4.0, 64bit 5.0) as well as Solaris 9 (2.9/5.9).




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