Read chapter $1,2$ and $3$ in the data sheet. Just scan through the tables and try to $g$ a sense of how things are organized, then answer the questions.

What registers are included in the "Programmer's Model" for this chip and which did I ask you to remember and forget the rest? What register is not in the programmer's Model, but is included in the $12$ registers of the Core section of each of the $32$ memory banks?