Part Number: MSPM0G1507
Tool/software:
Hello,
I was going through the TRM for the SPI peripheral and I saw there were a few registers that are listed as "FUPDATE version of xxx register" for example like the SCLK register, but there's a few of these:

Searching through it looks like there's also a similar set of registers for CANTX and CANRX in the MCAN peripheral:

What are these registers actually supposed to be?
Munan