STM32 MCUs Products

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Resolved! FDCAN interrupt not working

Hello,  I am trying to make FDCAN work but I am not receiving any messages. The TX is working fine but when trying to receive messages the interrupt is not triggered. I am using STM32H7 series with freertos. I have set the filter, started FDCAN, enab...

PPopo.1 by Senior
  • 1168 Views
  • 5 replies
  • 1 kudos

mmc deinit problem

Hi, We are working on a low power application which uses an emmc memory. Now we have problem when Deinit mmc driver. When mmc is disabled we have a base consumption of XXuA (stop 2 power mode) but when it is needed mmc must be enabled (using Init fun...

cgamu by Associate
  • 583 Views
  • 2 replies
  • 0 kudos

Resolved! STM32F446 Tempreature Sensor, ADC

I am trying to read ADC value of internal tempreature sensor of my STM32F446 board. The data sheet says that the temp sensor is connected to ADC1_IN18 (page no. 37/198), but there is no such pin in STM32F446xx pin and ball descriptions. Can someone p...

Resolved! ADC1, ADC2 dual mode with differential input

ADC1 and ADC2 run in interleaved dual mode using DMA. Resolution for both ADCs is set to 8-bit. ADC1 is sampling CH1 and CH2 in differential mode. The results that I get from DMA are a bit strange: If my positive input is ~1.65V, if my negative input...

graph_adc.png table.png
CyberNerd by Associate III
  • 453 Views
  • 2 replies
  • 1 kudos

Resolved! STM32h753bit6 HSI clock at startup

tying to find what frequency the hsi is at startup  and normally i search the datasheet for clocks and startup but this returns nothing in the datasheet for the stm32h753bi mcu only thing i see is that it has 4 clocks and it says the hsi is 64mhz is ...

Resolved! Debugging application from external flash

Hi All,I have interfaced  Winbond W25Q128 external flash and IS42S32400F-7TL external RAM to STM32H750IBK micro on my custom board. I have found an external loader file (stldr) for my pin configuration from a community member.I can program, read and ...

Kutlu by Associate II
  • 2707 Views
  • 8 replies
  • 7 kudos

Resolved! Parallel RGB interface in STM32-F411RE

For my project, I need to use a parallel RGB interface (8 bits) to control a display using Nucleo-F411RE. The PCLK for the RGB interface is required to be a minimum of 1MHz.However, the STM32-F411RE does not have any LTDC peripherals. So I implemente...

Soad by Associate II
  • 504 Views
  • 1 replies
  • 1 kudos

USART interrupt handling in Rust

Hi, I'm new to embedded (as in one week old) and am trying to build a small system to do a few things for an optical product we're building: mainly temp measurement (Omega SA1-RTD with MAX31865) and LED management for optical lasers. Currently I have...

sekhar by Associate II
  • 2230 Views
  • 14 replies
  • 6 kudos

w25q128 external flash with stm32l412

Hi,I am using stm32l412 controller with an external flash w25q128 in quadspi mode. I am able to read and write on to the flash memory. but I am unable to use it as an external loader. I referred many tutorials, I edited the linker script to add a sec...

hash002 by Associate II
  • 567 Views
  • 3 replies
  • 0 kudos