Configuration settings for programming flash memory
This really depends on your hex file. If your hex file covers the entire address space and has no odd/even split, then you generally can use 0x00 as the start address.
If your hex file only covers part of the address space, you need to check your code, compiler or linker settings for the right offset.
You should also be 100% sure about the correct vendor. Some devices require different settings, even for similar part numbers.