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Merge branch 'docs/sync_api-guides_files' into 'master'

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docs: sync low-power-mode and usb-serial-jtag-console

Closes DOC-7008

See merge request espressif/esp-idf!29368
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Shang Zhou
2024-03-05 11:48:56 +08:00
parent 3459db1bbb 4e4be31b4a
commit c3d7ef1a0f
1 changed files with 8 additions and 8 deletions
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16
docs/en/api-guides/usb-serial-jtag-console.rst
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@ -98,23 +98,23 @@ Sleep Mode Considerations
The USB Serial/JTAG controller and its associated USB PHY are driven by particular clocks (e.g., APB and USB PHY clock) and belong to a particular power domain (e.g., digital power domain). Thus, any change to the clock and power domains associated with the USB Serial/JTAG controller, such as entering different sleep modes, can affect the controller's operation.
Deep Sleep
Deep-sleep
^^^^^^^^^^
When entering deep sleep, both the USB Serial/JTAG controller and the USB PHY are powered off, leading to the USB PHY's D+ line no longer being pulled up. As a result:
When entering Deep-sleep, both the USB Serial/JTAG controller and the USB PHY are powered off, leading to the USB PHY's D+ line no longer being pulled up. As a result:
- When entering deep sleep, the USB Serial/JTAG device appears disconnected from the host/PC (even if the USB cable is still physically connected).
- When exiting deep sleep, the USB Serial/JTAG device reconnects to the host/PC.
- When entering Deep-sleep, the USB Serial/JTAG device appears disconnected from the host/PC (even if the USB cable is still physically connected).
- When exiting Deep-sleep, the USB Serial/JTAG device reconnects to the host/PC.
Light Sleep
Light-sleep
^^^^^^^^^^^
.. only:: not SOC_USB_SERIAL_JTAG_SUPPORT_LIGHT_SLEEP
When entering light sleep, the APB and USB PHY clock are gated. Thus, the USB Serial/JTAG controller is no longer able to receive or respond to any USB transactions from the connected host (including periodic CDC Data IN transactions). As a result:
When entering Light-sleep, the APB and USB PHY clock are gated. Thus, the USB Serial/JTAG controller is no longer able to receive or respond to any USB transactions from the connected host (including periodic CDC Data IN transactions). As a result:
- when entering light sleep, the USB Serial/JTAG device is unresponsive to the host/PC's USB CDC driver. The host/PC may then report the USB Serial/JTAG device as disconnected or erroneous (even if the USB cable is still physically connected).
- when exiting light sleep, it is possible that the host/PC does not re-enumerate (i.e., reconnect) the USB Serial/JTAG device given that the USB PHY's D+ line remains pulled up state during light sleep. Users may need to physically disconnect and then reconnect the USB cable.
- when entering Light-sleep, the USB Serial/JTAG device is unresponsive to the host/PC's USB CDC driver. The host/PC may then report the USB Serial/JTAG device as disconnected or erroneous (even if the USB cable is still physically connected).
- when exiting Light-sleep, it is possible that the host/PC does not re-enumerate (i.e., reconnect) the USB Serial/JTAG device given that the USB PHY's D+ line remains pulled up state during Light-sleep. Users may need to physically disconnect and then reconnect the USB cable.
Automatic and Manual Sleep Entry
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^