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Using a microprocessor to configure Xilinx FPGAs via Slave Serial or SelectMAP Mode

Posted: 13 Sep 2008 ?? ?Print Version ?Bookmark and Share

Keywords:embedded systems? microprocessor? configure Xilinx FPGAs?

With embedded systems becoming more popular, many designers want to reduce their component count and increase flexibility. To accomplish both of these goals, a microprocessor already available in the system can be used to configure an FPGA.

This application note provides a thorough discussion of FPGA configuration via a microprocessor, covering Virtex and Spartan FPGA families. Also, this application note presents a system-level model using a Xilinx CPLD to implement an interface to the FPGA configuration pins. C code is included to illustrate an example application using either Slave Serial or SelectMAP mode. CPLD design files are also included to illustrate a possible synchronous interface between the processor and the FPGA.

View the PDF document for more information.





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