HI: I use S12ZVC, I don't want bootloader and app use the same Interrupt Vector table,so i Relocating app interrupt vector table at other address:0xFF9000-0xFF92EF. 1.I modify the PRM file,Reallocation of address: APP: 0xFE0000-0xFF8FFF; APP interrupt mapping: 0xff9000-0xff92ef; Boot: 0xff9400-0xffddff; Boot interrupt mapping :Default interrupt vector address (memory end);