pub const fn on_up_counting_timer_equals_ch_timestamp<const CH_A: bool>(
        self,
        action: UpdateAction,
    ) -> Self {
        match CH_A {
            true => self.with_value_at_offset(action as u32, 4),
            false => self.with_value_at_offset(action as u32, 6),
        }
    }
Choose an `UpdateAction` for an `UTEA`/`UTEB` event where you can
specify which of the A/B to use
esp-hal/src/mcpwm/operator.rs