diff --git a/docs/en/api-guides/usb-serial-jtag-console.rst b/docs/en/api-guides/usb-serial-jtag-console.rst index b2834d9d4c..0bdfeec4fd 100644 --- a/docs/en/api-guides/usb-serial-jtag-console.rst +++ b/docs/en/api-guides/usb-serial-jtag-console.rst @@ -46,7 +46,9 @@ Limitations There are several limitations to the USB console feature. These may or may not be significant, depending on the type of application being developed, and the development workflow. -1. If the application accidentally reconfigures the USB peripheral pins, or disables the USB Serial/JTAG Controller, the device will disappear from the system. After fixing the issue in the application, you will need to manually put the {IDF_TARGET_NAME} into download mode by pulling low GPIO0 and resetting the chip. +{IDF_TARGET_BOOT_PIN:default = "GPIO0", esp32c3 = "GPIO9"} + +1. If the application accidentally reconfigures the USB peripheral pins, or disables the USB Serial/JTAG Controller, the device will disappear from the system. After fixing the issue in the application, you will need to manually put the {IDF_TARGET_NAME} into download mode by pulling low {IDF_TARGET_BOOT_PIN} and resetting the chip. 2. If the application enters light sleep (including automatic light sleep) or deep sleep mode, USB CDC device will disappear from the system.