A bitstream readback-based automatic functional test and diagnosis method for Xilinx FPGAs
A bitstream readback-based test and diagnosis method for Xilinx FPGAs is presented. The method includes a bitstream parsing algorithm and a fault test algorithm. The method can be applied to both CLB and IR in all Virtex and Spartan series FPGAs. Configuration numbers can be reduced with achievable good diagnostic resolution. Testing is independent of FPGA array size and high fault coverage can be achieved.
bitstream test diagnosis fpga readback