```
-CR: 41 - 0x18. 43 - 0x08
-ISR vice ICSR are at the same reg, but ICSR is missing many bits ISR has. Moved to cr. Any you use? make sure
-ALRMAR: 41: 0x40. 43: 0x1C
-ALRMBR 41: 0x48. 43: 0x20
-ALRMBSSR: 0x4C, 0x48
-SSR: 41: 0x08. 43: 0x28
-CALR: 0x28, 0x3C
```