STM32 MCUs Boards and hardware tools

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RMII GPIO state after HAL_ETH_Init()

Hi,we have a PHY with several bootstraps. Some of them are shared with the RMII from a STM32H753 (see image below, controller is on the left).A FreeRTOS+TCP network stack is used, which, when rebooted, first does some low level inits with HAL_ETH_Ini...

0693W00000Hred2QAB.png
DWeb_2 by Associate III
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Resolved! JTAG and UART connectivity

Hello,We working on custom board. We using this controller STM32745IIkx. In JTAG we connect the USART1 port, but there is pin mapping issue, so I am unable to use USART1.So instead of UASART1 can I use USART2.I am sharing its schematic THE VCP_TX and...

0693W00000JMKZzQAP.png
MDeva.1 by Associate II
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Hi, I bought a Nucleo STM32F401RE board. Yeasterday the board was working fine in dimming led in A0 pin which was configured in PWM mode. Now I can't reprogram the board. See details for error message. PS. I'm a total beginner with microcontrollers

Starting server with the following options:    Persistent Mode      : Disabled    Logging Level       : 1    Listen Port Number     : 61234    Status Refresh Delay    : 15s    Verbose Mode        : Disabled    SWD Debug         : Enabled    InitWhile...

VNisk.1 by Associate II
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Resolved! SMPS with/without LDO comparison

I'm trying to understand the benefits/tradeoffs of the "Direct SMPS supply" and "SMPS supplies LDO" options for the STM327H (red and blue options in the attached figure). Since the LDO adds an extra source of power loss, and the SMPS can supply all d...