关键词: FPGA, 边界扫描, 自更新

Abstract: For the model products that do not support the dynamic reconfiguration function in the FPGA+PROM design architecture, an FPGA self-update method based on the boundary-scan simulation technology is proposed without adding additional devices, and the reliability safeguards in the upgrading process are studied, achieving high-reliability and non-inductive updating. This design method can complete the online upgrade of PROM without opening the cover of the model product or using USB-JTAG, which provides a PROM online upgrade capability for military embedded computers, and has great significance in the aspects of repairability and safeguard of weapon products.

Key words: FPGA, boundary scan, self-update