[−]Module feather_m0::sysctrl 
System Control
Modules
| bod33 | 3.3V Brown-Out Detector (BOD33) Control  | 
| dfllctrl | DFLL48M Control  | 
| dfllmul | DFLL48M Multiplier  | 
| dfllsync | DFLL48M Synchronization  | 
| dfllval | DFLL48M Value  | 
| dpllctrla | DPLL Control A  | 
| dpllctrlb | DPLL Control B  | 
| dpllratio | DPLL Ratio Control  | 
| dpllstatus | DPLL Status  | 
| intenclr | Interrupt Enable Clear  | 
| intenset | Interrupt Enable Set  | 
| intflag | Interrupt Flag Status and Clear  | 
| osc8m | 8MHz Internal Oscillator (OSC8M) Control  | 
| osc32k | 32kHz Internal Oscillator (OSC32K) Control  | 
| osculp32k | 32kHz Ultra Low Power Internal Oscillator (OSCULP32K) Control  | 
| pclksr | Power and Clocks Status  | 
| vref | Voltage References System (VREF) Control  | 
| vreg | Voltage Regulator System (VREG) Control  | 
| xosc | External Multipurpose Crystal Oscillator (XOSC) Control  | 
| xosc32k | 32kHz External Crystal Oscillator (XOSC32K) Control  | 
Structs
| BOD33 | 3.3V Brown-Out Detector (BOD33) Control  | 
| DFLLCTRL | DFLL48M Control  | 
| DFLLMUL | DFLL48M Multiplier  | 
| DFLLSYNC | DFLL48M Synchronization  | 
| DFLLVAL | DFLL48M Value  | 
| DPLLCTRLA | DPLL Control A  | 
| DPLLCTRLB | DPLL Control B  | 
| DPLLRATIO | DPLL Ratio Control  | 
| DPLLSTATUS | DPLL Status  | 
| INTENCLR | Interrupt Enable Clear  | 
| INTENSET | Interrupt Enable Set  | 
| INTFLAG | Interrupt Flag Status and Clear  | 
| OSC8M | 8MHz Internal Oscillator (OSC8M) Control  | 
| OSC32K | 32kHz Internal Oscillator (OSC32K) Control  | 
| OSCULP32K | 32kHz Ultra Low Power Internal Oscillator (OSCULP32K) Control  | 
| PCLKSR | Power and Clocks Status  | 
| RegisterBlock | Register block  | 
| VREF | Voltage References System (VREF) Control  | 
| VREG | Voltage Regulator System (VREG) Control  | 
| XOSC | External Multipurpose Crystal Oscillator (XOSC) Control  | 
| XOSC32K | 32kHz External Crystal Oscillator (XOSC32K) Control  |