Module regs
- Cr1
 - Power control register 1
 - Cr2
 - Power control register 2
 - Cr3
 - Power control register 3
 - Cr4
 - Power control register 4
 - Cr5
 - Power control register 5
 - Pcr
 - Power Port pull control register
 - Scr
 - Power status clear register
 - Sr1
 - Power status register 1
 - Sr2
 - Power status register 2