Configuration register 2 for unit 1
| CNT_H_LIM_U | This register is used to configure the thr_h_lim value for unit %s. When pcnt reaches this value, the counter will be cleared to 0. |
| CNT_L_LIM_U | This register is used to configure the thr_l_lim value for unit %s. When pcnt reaches this value, the counter will be cleared to 0. |