STM32 MCUs Products

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Forum Posts

U599 + W25Q64 Flash QUADSPI External Loader Errors

Referring to AN5050 as well as an online guide for creating a QuadSPI loader for a W25Q32 flash IC, I have written code for a W25Q64 flash IC that I am interfacing in QuadSPI mode using the OctoSPI peripheral on the U599.When I try reading the flash ...

Hareesh_S by Associate III
  • 1339 Views
  • 5 replies
  • 1 kudos

OPTVERR bit seems to be erroneously set, why?

We are seeing a situation where the OPTVERR bit is unexpectedly set after power reset. We've checked and all the complement words in the Flash area for the option bytes are set correctly, so no corruption there. The description in the reference manua...

AVoel.1 by Associate III
  • 1260 Views
  • 2 replies
  • 1 kudos

Resolved! SDIO FATFS SDMMC_ERROR_COM_CRC_FAILED

Hello, I am using a STM32F411 with SDIO (4bit) and fatfsWhen reading block I have regular SDMMC_ERROR_COM_CRC_FAILED error, from SDMMC_GetCmdResp1 function. What could be the reason for such error ? thanksVincent   

vbesson by Senior
  • 709 Views
  • 2 replies
  • 0 kudos

Resolved! STM32u599NIH doesn't exist in the board selector tab

Hi guys , I'm currently engaged in a project that utilizes the STM32U599NIH microcontroller. Typically, I would initiate my work by searching for the project under the board selector tab, but in this case, the board is conspicuously absent. While I w...

Anassoumi by Associate III
  • 848 Views
  • 3 replies
  • 0 kudos

The microcontroller sometimes cannot receive TCP data

Hi.In my system, the opposing device sends TCP data at 20ms intervals,and the microcontroller receives the TCP data non-blocking at 20ms intervals.Therefore, the ethernetif_input() function of LWIP is supposedto be called at 20ms intervals and store ...

delta_s by Associate II
  • 733 Views
  • 3 replies
  • 0 kudos

STMF746ZG with LAN8720A, Ethernet problem

Hello,I am currently using the Mikromedia 7 FPI Capacitive SoC with STMF745ZG MCU, which includes the LAN8720A PHY. However, I'm encountering issues as the LEDs on the PHY do not light up, and my PC shows the cable as unplugged. I have thoroughly che...

enesc9 by Associate
  • 1969 Views
  • 2 replies
  • 1 kudos