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The JBits API is a new Java based tool set, or application programming
interface (API), that allows designers to write information directly to
a Xilinx FPGA to carry out whatever customer logic operations were designed
for it. The JBits API permits the FPGA bitstream to be modified quickly,
allowing for fast reconfiguration of the FPGA. With Virtex FPGAs,
the JBits API can partially or fully reconfigure the internal logic of
the hardware device.
The Virtex architecture allows this reconfiguration to be as extensive as necessary and still maintain timing information. The JBits API also makes it possible to integrate the operations of the FPGA with other system components such as an embedded processor, a graphics coprocessor, or any digital peripheral device. JBits applications, or "applets," can use the Java API for Boundary-Scan
(unveiled by Xilinx in
JBits
Application Example
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