pub type EV1EM_W<'a, REG> = FieldWriter<'a, REG, 2, EV1EM_A, Safe>;
Field EV1EM writer - Event 1 Edge Selection
EV1EM
struct EV1EM_W<'a, REG> { /* private fields */ }
No action
Signal active on rising edge
Signal active on falling edge
Signal active on both edges