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Resolved! Confusion with MDF and its SPI/Manchester setting

Hi all,We are trying to wire a microphone to the STM32U585. The microphone (T5838) outputs PDM and takes a clock as input.As far as I understand, the MDF peripheral supports PDM interface (as stated in RM046, Rev 4, 39.1), so it is compatible with th...

VTOR_S when TrustZone is disabled

Using the latest STM32CubeIDE, STM32CubeH5 and NUCLEO-H563ZI with TrustZone disabled.I put a breakpoint at the first instruction in startup in Reset_Handler. The debugger shows in SFRs, SCB->VTOR_S is 0x8000000 (which is my NSBOOTADD) and SCB->VTOR_N...

mete by Senior II
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  • 0 replies
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STM USART bootloader issue with STM32F446

I've been using bootloader over USART3 PB10/PB11 at an STM32F446ZET6 for long time and it works reliably at least at 115200kbit.  This year we assembled several new PCB's without HW change and the bootloader stopped working. When programming the STM3...

MartenP by Associate
  • 1616 Views
  • 3 replies
  • 1 kudos

Resolved! Write Flash memory over virtual Com Port (USB)

Hello, I am developing a dual processor application with a host (STM32F205xx) and a slave (Radio Module SoC). The idea is to update the wireless module's firmware from the PC via the virtual COM port.The firmware is temporarily stored in STM flash me...

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Semiory by Associate II
  • 1417 Views
  • 3 replies
  • 1 kudos

Resolved! STM32F411 Discovery board Blink LED program error simulink

I am trying to run the Getting started with stm32f4discovery project in matlab simulink. the code simple wont run. I tried multiple methods and answers however my error is always related to USB connection issues.  "Error while trying to establish USB...

RAMECC interrupt enable register (RAMECC_IER)

I am trying to test code which has been written to deal with RAMECC errors. The MPU is STM32H753 and I am working on a Nucleo-H753ZI board.The first problem was how to simulate a RAMECC error. I found the code at https://github.com/STMicroelectronics...

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KevinG by Associate II
  • 1320 Views
  • 3 replies
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Resolved! STM32U585 Cannot switch between SMPS and LDO power supplies

I am using the B-U585I-IOT02A discovery kit with the STM32U585AI chip.Using code generated by STM Cube.Attempting to configure use of the SMPS power supply results in a timeout in the  HAL_PWREx_ConfigSupply() function.In the sequence below, smps_mod...

JKahn.1 by Associate III
  • 3034 Views
  • 5 replies
  • 7 kudos

Resolved! ADC converted value error: bit truncation when using DMA

Hello.I encountered a truncation error issue while working on a grid-connected converter application with the STM32G474MET6 MCU. To manage multiple ADC channels, I opted for DMA to obtain 12-bit ADC converted values. However, I've noticed a bit trunc...

wronskian by Associate II
  • 2169 Views
  • 5 replies
  • 2 kudos

STM32L0 SPI communication with DMA, Slow CS

STM32L0 SPI communication with DMA. The SPI CS line is controlled with software. It appears to stay low for about 72uS when the communication only takes about 4uS. Right before setting the DMA to roll, I set the CS to 0. Nothing else is pending for t...

Dude by Associate III
  • 5554 Views
  • 13 replies
  • 0 kudos