pub type VrselW<'a, REG> = BitWriter<'a, REG, Vrsel>;
Field VRSEL writer - Supply Voltage Reference Source Select
VRSEL
pub struct VrselW<'a, REG> { /* private fields */ }
Vin1 is selected as resistor ladder network supply reference Vin.
Vin2 is selected as resistor ladder network supply reference Vin.