STM32 MCUs Products

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Resolved! Undesired behaviour from HAL SPI DMA Slave

For some reason HAL_SPI_STATE remains busy forever after executing HAL_SPI_Receive_DMA. This happen for the SPI slave of SPI #2 of the STM32H745XI board. The problem goes away when I change the SPI mode from slave to master, but that's not a proper w...

STM32F103 noise at ADC pin on MCU side

Hi,I am trying to interface a signal with one of the ADC pins of the STM32F103 MCU. When the signal was scoped using an oscilloscope, it was seen that a noise component was added to the original signal from the MCU side. I have attached images of the...

Original signal before ADC stage.PNG Signal at ADC pin.PNG MCU ADC pin with any connection.PNG
NBula.1 by Associate III
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  • 6 replies
  • 3 kudos

How to enable ADC continuous mode with DMA?

Hello community,I try to configure the ADC in continuous mode so it writes the converted values via DMA continuously into a memory address in background without triggering via software. It should be possible with : ContinuousConvMode = ENABLE and Ext...

CKosa by Associate II
  • 7036 Views
  • 8 replies
  • 3 kudos

Resolved! STM32H563 hard fault in low level init.

Hello All.I wrote a  simple code, which is supposed to start on reset address, check the availability of an application on the higher  application address and jump to it. I am using IAR9.32. The code works if loaded using STLINK but gets into hard fa...

baranovus by Associate III
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  • 1 replies
  • 0 kudos

STM32WLE5x flash expansion

Hello,I’m wondering if there is a solution to expand the flash memory of the STM32WLEx. I have noticed that the microcontroller do not the Quad-SPI interface. Is there any other possibility to see the external memory as memory mapped?Any suggestion i...

frnt by Senior
  • 480 Views
  • 1 replies
  • 1 kudos

Resolved! STM32F103 and PWM (12bits)

Dear everyone,I'm trying to manage a DC motor with IC controller in PWM.My frequency have been calculated for have 12bits resolutions (Fclk :72Mhz > Fpwm17.5Khz). TIM2->CCR1 = 30; HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1); HAL_GPIO_WritePin(GPIOB, MA_...

Capture.PNG
jlecl.1 by Associate III
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  • 2 replies
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Resolved! I2C slave transmit IT first byte FF

Hi all,I am using a Nucleo  F334R8 STM32Cube FW_F3  V1.11.4I am trying to configure it as a slave device using interrupts , I am using HAL_I2C_AddrCallback()then it checks if dirrection == I2C_DIRECTION_TRANSMIT and HAL_I2C_Slave_Seq_Receive_IT() wor...

edgar3 by Associate
  • 1309 Views
  • 1 replies
  • 1 kudos

STM32L4R in WLCSP package

STM32L4R5/7/9 data sheet has WLCSP144 package as an option, but this option is not available on Product Selector page. WLCSP part can't be found on any distributor site either. Does anybody know, if this MCU-package combination exists?

Zaro by Associate
  • 480 Views
  • 1 replies
  • 0 kudos