pub type R = R<u32, AF1>;
Reader of register AF1
pub struct R { /* private fields */ }
Bit 0 - BRK BKIN input enable
Bit 1 - BRK COMP1 enable
Bit 2 - BRK COMP2 enable
Bit 9 - BRK BKIN input polarity
Bit 10 - BRK COMP1 input polarity
Bit 11 - BRK COMP2 input polarity
Bits 14:16 - ETR source selection