esp-idf/docs/en/api-reference/system/inc/power_management_esp32c2.rst

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.. flat-table::
:widths: 1 3 3
* - Max CPU Frequency Set
- Lock Acquisition
- CPU and APB Frequencies
* - :rspan:`2` 120
- ``ESP_PM_CPU_FREQ_MAX`` acquired
-
- CPU: 120 MHz
- APB: 40 MHz
* - ``ESP_PM_APB_FREQ_MAX`` acquired, ``ESP_PM_CPU_FREQ_MAX`` not acquired
-
- CPU: 80 MHz
- APB: 40 MHz
* - None
- Min values for both frequencies set with :cpp:func:`esp_pm_configure`
* - :rspan:`1` 80
- Any of ``ESP_PM_CPU_FREQ_MAX`` or ``ESP_PM_APB_FREQ_MAX`` acquired
-
- CPU: 80 MHz
- APB: 40 MHz
* - None
- Min values for both frequencies set with :cpp:func:`esp_pm_configure`