pub type EXS1B_W<'a, REG> = FieldWriter<'a, REG, 2, EXS1B_A, Safe>;
Field EXS1B writer - Event Source Select for B1 (ERS1)
EXS1B
struct EXS1B_W<'a, REG> { /* private fields */ }
Input ERU_1B0 is selected
Input ERU_1B1 is selected
Input ERU_1B2 is selected
Input ERU_1B3 is selected