STM32 MCUs Products

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Resolved! External Flash erase half size

HiI have develop a custom board wit stm32F799 cpu, there is External Quad flash model MT25QL128ABB1ESE 128Mbit 16Mbyte.My problem thar the falsh erase only half size, the address in memory map shall be 0x90000000 to 0x90FFFFFF but the erase work unti...

PZamb.2 by Associate III
  • 1453 Views
  • 3 replies
  • 1 kudos

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
  • 2047 Views
  • 6 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
  • 1349 Views
  • 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
  • 696 Views
  • 1 replies
  • 1 kudos

Resolved! STM32H750 Quad SPI Flash memory mapped mode. error: data is 0x88.

Hello everyone!I use the Quad SPI flash of stm32 h750. I write data at a certain address through commands, such as address 0. But after configuring the memory mapping mode, I check that the data at address 0x90000000 is 0x88, while my data is at 0x90...

Andex_0-1688979439202.png
Andex by Associate II
  • 4095 Views
  • 7 replies
  • 3 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
  • 1640 Views
  • 2 replies
  • 0 kudos

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
  • 1882 Views
  • 1 replies
  • 1 kudos