PlanAhead Software as a Platform for Partial Reconfiguration
The architecture of the Xilinx® Virtex™ platform family of FPGAs allows design modules to be swapped on-the-fly using a partial reconfiguration (PR) methodology. This powerful capability allows multiple design modules to time-share resources on a single device, even while the base design operates uninterrupted.
Partial reconfiguration is a process of device configuration that allows a limited, predefined portion of an FPGA to be reconfigured while the remainder of the device continues to operate. This is especially valuable where devices operate in a mission-critical environment that can not be disrupted while some subsystems are being redefined.
Using partial reconfiguration, you can dramatically increase the functionality of a single FPGA, allowing for fewer, smaller devices than would otherwise be needed. Important applications for this technology include reconfigurable communication and cryptographic systems.
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