Register Summary

Offset Name Bit Pos. 7 6 5 4 3 2 1 0
0x00 MCLKCTRLA 7:0 CLKOUT       CLKSEL[3:0]
0x01 MCLKCTRLB 7:0       PDIV[3:0] PEN
0x02 MCLKLOCK 7:0               LOCKEN
0x03 MCLKSTATUS 7:0     PLLS EXTS XOSC32KS OSC32KS OSCHFS SOSC

0x04

...

0x07

Reserved                  
0x08 OSCHFCTRLA 7:0 RUNSTDBY   FRQSEL[3:0]   AUTOTUNE
0x09 OSCHFTUNE 7:0 TUNE[7:0]

0x0A

...

0x0F

Reserved                  
0x10 PLLCTRLA 7:0 RUNSTDBY SOURCE         MULFAC[1:0]

0x11

...

0x17

Reserved                  
0x18 OSC32KCTRLA 7:0 RUNSTDBY              

0x19

...

0x1B

Reserved                  
0x1C XOSC32KCTRLA 7:0 RUNSTDBY   CSUT[1:0]   SEL LPMODE ENABLE