Field programmable gate arrays (FPGAs) have wide and extensive applications in many areas. Due to programmable feature of FPGAs, faults of FPGAs can be easily tolerated if fault sites can be located. A hardware/soft...Field programmable gate arrays (FPGAs) have wide and extensive applications in many areas. Due to programmable feature of FPGAs, faults of FPGAs can be easily tolerated if fault sites can be located. A hardware/software (HW/SW) co-verification technique for FPGA test is proposed in this paper. Taking advantage of flexibility and observability of software in conjunction with high-speed simulation of hardware, this technique is capable of testing each input/output block (IOB) and configurable logic block (CLB) of FPGA automatically, exhaustively and repeatedly. Fault cells of FPGA can be positioned automatically by the proposed approach. As a result, test efficiency and reliability can be enhanced without manual work.展开更多
基金supported by Key Techniques of FPGA Architecture under Grant No.9140A08010106QT9201the support from UESTC Youth Funds
文摘Field programmable gate arrays (FPGAs) have wide and extensive applications in many areas. Due to programmable feature of FPGAs, faults of FPGAs can be easily tolerated if fault sites can be located. A hardware/software (HW/SW) co-verification technique for FPGA test is proposed in this paper. Taking advantage of flexibility and observability of software in conjunction with high-speed simulation of hardware, this technique is capable of testing each input/output block (IOB) and configurable logic block (CLB) of FPGA automatically, exhaustively and repeatedly. Fault cells of FPGA can be positioned automatically by the proposed approach. As a result, test efficiency and reliability can be enhanced without manual work.