Module regs
- Alrh
- Alarm Register High
- Alrl
- Alarm Register Low
- Cnth
- Counter Register High
- Cntl
- Counter Register Low
- Crh
- Control Register High
- Crl
- Control Register Low
- Divh
- Prescaler Divider Register High
- Divl
- Prescaler Divider Register Low
- Prlh
- Prescaler Load Register High
- Prll
- Prescaler Load Register Low