![]() ![]() For instance on NUCLEO-F103RB it is possible to use USART3 available on PC10 (TX) and PC11 (RX). ![]() In such case it is possible to connect another USART to ST-LINK MCU using flying wires between ST morpho connector and CN3. STMicroelectronics's NUCLEO-L476RG is stm32l476rgt6 microcontroller development board 0.032768mhz cpu 512kb ram 1mb flash win 7/win 8/win vista/win xp in the evaluation, development boards and kits, embedded system development boards and kits category. If the communication between the target MCU PA2 (D1) or PA3 (D0) and shield or extension board is required, SB62 and SB63 should be ON, SB13 and SB14 should be OFF. By default the USART2 communication between the target MCU and ST-LINK MCU is enabled, in order to support Virtual Com Port for mbed (SB13 and SB14 ON, SB62 and SB63 OFF). The choice can be changed by setting the related solder bridges. The USART2 interface available on PA2 and PA3 of the STM32 microcontroller can be connected to ST-LINK MCU, ST morpho connector or to Arduino connector. Its very urgent asked by Jikku Varghese on October 27, 2016 So I would like to know if both the USB and R3 pinouts are connected with same RX and TX pins of MCU. I connected the boards using the on board arduino R3 pin out. But when I tried the same program to communicate with two nucleo boards it was not working. I used a sample program for UART reception and transmission on the nucleo board and its working fine with USB. I have question regarding the nucleo board.
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