12/23/2023 0 Comments Nucleo f401re led failU5V (ST-LINK VBUS) is used as power source when JP5 is set as shown below (Default setting)ĬN2, VIN or E5V is used as power source when JP5 is set as shown below When the board is power supplied by USB(U5V), a jumper must be connected between pin 1 and pin 2 of JP5 as shown in Table 2. However, if the maximum current consumption of the board exceeds 300mA, the USB may be damaged. In case of the board requiring the current more than 300mA, it should be mandatory to use an external power supply as explained in the next chapter.Įach part of STM32 Xnucleo including the extension board can be powered by USB(U5V). And 300mA current at maximum may be provided when 5V voltage is outputted to the Xnucleo board. In case the ST-LINK/V2 (mini) USB connector is used to power the Xnucleo board, the host PC will provide 150mA current at maximum as 3.3V voltage is outputted from the ST-LINK/V2 (mini) USB connector to the Xnucleo board. Power supply input from the USB connectorĪll parts of the STM32 Xnucleo board and Shield can be powered from the ST-LINK/V2 (mini) USB connector by the host PC. In case VIN, E5V, +3V3 or CN2 is used to power the Xnucleo board, you should use an external power supply unit. VIN (7V~12V) or +3V3 power pins on CN6.The power supply of the STM32 Xnucleo board is provided either by the host PC through the USB cable, or by an external source: The blinking of the USER LED indicator will change from fast to slow or from slow to fast, when clicking the USER key. Otherwise, the ST-LINK/V2(mini) initialization may be failure. Notices: It is recommended to plug in the USB power supply or the external power supply before connecting the ST-LINK/V2(mini) module to the SWD interface. Connect the ST-LINK/V2 (mini) debugger/programmer to the SWD connector.For using an external power supply, connect the power supply socket CN2 on the Xnucleo board to a 6~12V power adapter.For using a USB power supply, connect the Xnucleo board to a PC with a USB cable through the onboard USB connector.Please follow the sequence below to configure the STM32 Xnucleo board and launch the demo software: You will find the STMicroelectronics STLink dongle in the Device Manager, if the driver is installed successfully. When the installation finished, connect the ST-LINK/V2(mini) module to a PC. You can also download the latest installer from the ST website). Run the installer: STM32 ST-LINK Utility (For more detailed information about installation and usage of STM32 ST-LINK Utility, please refer to the document provided by ST: STM32-ST-LINK-Utility\Readme\STLINK Utility.pdf. And you will find the CP210x USB to UART Bridge Controller in the Device Manager, if the driver is installed successfully. When the installation finished, connect the XNucleo board to a PC via the USB TO UART interface. Before using this interface, you should install a CP2102 driver firstly. STM32 Xnucleo includes an onboard USB TO UART interface based on CP2102 (“serial port” hereafter) for code debugging. STM32 Development Board, Supports Arduino, Compatible with NUCLEO-F401REĭevelopment tool installation CP2102 Virtual COM Port driver installation 16 Connection between the Xnucleo board and Peripherals.15 How to export the Keil program from mbed.
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