There is a sort of bit-endianity when you look at hex dumps of data, where you'd see something like "34 12" that represents the 16-bit value 0x1234 if the data

There is a sort of bit-endianity when you look at hex dumps of data, where you'd see something like "34 12" that represents the 16-bit value 0x1234 if the data was little endian.