Module regs
- Ccr
 - common configuration register
 - Cfgr1
 - configuration register 1
 - Cfgr2
 - configuration register 2
 - Chselr
 - channel selection register
 - Cr
 - control register
 - Dr
 - data register
 - Ier
 - interrupt enable register
 - Isr
 - interrupt and status register
 - Smpr
 - sampling time register
 - Tr
 - watchdog threshold register