如果Cla1Task1和Cla1Task2触发条件设置成一样的，比如都是ADC采样完成触发，那它们是同时被触发然后并行运行还是会有优先级
参考手册 5.2.4 CLA Tasks and Interrupt Vectors 中有说明：
The CLA supports eight tasks. Task 1 has the highest priority and task 8 has the lowest priority.
