1+---------------+---------------------------------------+-------------------------------------+
2| CPU最高频率   |            电源管理锁获取情况         | APB 频率和 CPU 频率                 |
3|               |                                       |                                     |
4+---------------+---------------------------------------+-------------------------------------+
5|      240      | | 获取 ``ESP_PM_CPU_FREQ_MAX``        |                                     |
6|               | | 或 ``ESP_PM_APB_FREQ_MAX``          | | CPU: 240 MHz                      |
7|               |                                       | | APB: 80 MHz                       |
8+               +---------------------------------------+-------------------------------------+
9|               |                  无                   | 使用 :cpp:func:`esp_pm_configure`   |
10|               |                                       | 为二者设置最小值                    |
11+---------------+---------------------------------------+-------------------------------------+
12|      160      | 获取 ``ESP_PM_CPU_FREQ_MAX``          | | CPU: 160 MHz                      |
13|               |                                       | | APB: 80 MHz                       |
14+               +---------------------------------------+-------------------------------------+
15|               | | 获取 ``ESP_PM_APB_FREQ_MAX``,       | | CPU: 80 MHz                       |
16|               | | 未获得 ``ESP_PM_CPU_FREQ_MAX``      | | APB: 80 MHz                       |
17+               +---------------------------------------+-------------------------------------+
18|               |                  无                   | 使用 :cpp:func:`esp_pm_configure`   |
19|               |                                       | 为二者设置最小值                    |
20+---------------+---------------------------------------+-------------------------------------+
21|       80      | | 获取  ``ESP_PM_CPU_FREQ_MAX``       | | CPU: 80 MHz                       |
22|               | | 或 ``ESP_PM_APB_FREQ_MAX``          | | APB: 80 MHz                       |
23+               +---------------------------------------+-------------------------------------+
24|               |                  无                   | 使用 :cpp:func:`esp_pm_configure`   |
25|               |                                       | 为二者设置最小值                    |
26+---------------+---------------------------------------+-------------------------------------+
27