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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11IBM and Xilinx announced a licensing and technology agreement on July 25, 2000, to bring IBM PowerPC processor cores and its CoreConnect bus into Xilinx FPGAs. The commercial result was the Virtex-II Pro family, which paired hard PowerPC 405 processor cores with programmable logic. For system designers, the arrangement offered a way to divide work between software running on a processor and custom hardware built in the FPGA fabric.
What the IBM–Xilinx deal covered
The companies said they would combine their technologies for chips aimed at communications, storage, and consumer applications. Xilinx would license IBM PowerPC processor IP and the CoreConnect bus for integration into its Virtex-II FPGAs. IBM was to fabricate the initial devices using its advanced manufacturing processes, according to EE Times’ report on July 26, 2000.
The agreement joined two distinct contributions: IBM supplied the processor core and bus technology, while Xilinx supplied the programmable-logic platform and integrated the processor into it. It was a licensing and product-development arrangement, not an acquisition or a merger.
Which Xilinx FPGAs included PowerPC 405 processors?
Virtex-II Pro was the product outcome
The relevant commercial family was Xilinx Virtex-II Pro. Xilinx described its PowerPC processor as a hard core embedded within the programmable-logic fabric. Unlike a processor assembled from configurable logic, a hard core is implemented as a dedicated processor block in the device.
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Xilinx’s archival Xcell Journal product literature specified up to four IBM PowerPC 405 processors in a Virtex-II Pro device. The same literature listed each processor at 300+ MHz and 420 Dhrystone MIPS. These are historical vendor-published specifications for the family, not independent benchmark results or a claim that every Virtex-II Pro part contained four processors.
Hard PowerPC and soft MicroBlaze served different roles
Xilinx contrasted the embedded PowerPC hard core with its MicroBlaze soft core, which is implemented using programmable logic. The design choice was therefore not simply between two processor names: a hard core provided a dedicated processor implementation, while a soft core left the designer to configure a processor from FPGA resources. Xilinx positioned the PowerPC option for processor performance while retaining programmable logic and soft peripherals for flexibility.
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How the processor fit inside the FPGA
The PowerPC 405 was embedded alongside the FPGA’s configurable logic rather than placed outside the device as a separate processor. Xilinx said processor I/O pins were available to the internal programmable logic. In practical design terms, the processor could run software while FPGA logic handled functions implemented as custom hardware; designers could partition system tasks between the two.
CoreConnect provided the associated on-chip interconnect technology. Its inclusion was part of the IBM technology licensed for integration, linking the processor-centered design to the platform’s system architecture. The result combined a general-purpose software execution path with configurable logic in one FPGA platform.
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What the arrangement meant for system designers
- Choose where a function runs. A designer could implement a task in PowerPC software or in custom programmable logic, depending on the system’s needs.
- Use a hard processor without giving up FPGA logic. The PowerPC was a dedicated embedded core, while the surrounding device remained programmable.
- Work across hardware and software. The architecture made configuration of the CPU and FPGA part of the same system-development problem, rather than treating the processor as an unrelated component.
This flexibility came with a design trade-off: the platform required developers to work across processor software and FPGA logic. The available material establishes the architecture and intended development approach, but does not provide a like-for-like benchmark against soft-core-only FPGAs or later processor-and-FPGA SoCs. Such comparisons would depend on the specific devices, workloads, tools, and design constraints.
How software tools followed the hardware announcement
On January 28, 2002, Wind River announced a multi-year OEM agreement for a tool chain designed specifically for Xilinx’s next-generation Virtex-II Platform FPGA with the PowerPC 405. Wind River said the tools would help hardware developers configure and program both the CPU core and the FPGA device. That announcement shows that the platform’s development path was intended to cover both sides of the integrated design, not only processor software.
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Timeline and historical context
- July 25, 2000: IBM and Xilinx announced their agreement to combine IBM PowerPC and CoreConnect technology with Xilinx Virtex-II FPGA technology.
- Virtex-II Pro: Xilinx brought the embedded PowerPC 405 approach to market in this FPGA family, publishing configurations with up to four processors.
- January 28, 2002: Wind River announced a dedicated development-tool agreement for the Virtex-II Platform FPGA and PowerPC 405.
Virtex-II Pro belongs to an earlier generation of FPGA platforms. The agreement explains how IBM processor IP became part of that Xilinx product family; it does not establish present-day availability, tool compatibility, or lifecycle status for particular devices or development boards.
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