Resolved! H743 PB4 defaults to a high level issue.
When Pb4 is reset, it is at a high level. Can't this be configured in the hardware? It's too disgusting. The PCB has been designed and encountered this pit.
STM32 MCUs Products
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Resolved! STM32h755ZI-Q Crashes on a particular code only
Hi Guys,I am recently facing a very rare problem on stm32 nucleo h755zi- q i am working with ltc6804ic for a BMS and am facing the following issue:Whenever i upload the code on the stm32 it crashes, and says no debung info available etc, after this i...
Resolved! CAN bit timing configuration for STM32 G4 series
Hello! I am using Zync SOC with STM 32 G4 series. I am targeting 1Mbps baud rate using CAN protocol. I am able to achieve 1Mbps using external loopback on STM. Can someone help me out with bit timing and prescaler values for STM 32 and Zync SOC
Resolved! FDCAN STM32H753VIT6 – Unable to Achieve >1.92 Mbps Data Rate (PLL1Q = 40 MHz)
Hi ST Community,I’m working on a CAN FD project using the STM32H753VIT6 and facing a limitation with data phase bitrate while using Bit Rate Switching (BRS).My Setup:Controller: STM32H753VIT6FDCAN clock source: PLL1QPLL1Q output: 40 MHzFrame format: ...
Do FSK or PSK using HRTIM on STM32G474RE
Hello everyone, I'm trying to do FSK and PSK modulation using HRTIM in STM32G474RE but I have what I want when I use Oscillo to display. For example, '1' = 45 kHz and '0' = 55 kHz. I want to transmit the message "1010" where each bit is 10µs long (F...
0.2% of STM32L412RB stops or operates abnormally when powered on from the power off state.
1. Product DescriptionThe product is an automotive remote controller that uses STM32L412RB as an MCU.The product uses a rechargeable battery and has a power on/off function for storage and delivery. 2. ProblemSome products (0.2%) stop operating due t...
Resolved! stm32g0 lptim1 low power sleep
I want to use LPTIM1 of the STM32G0x1 to wake up the MCU, if it's not already awake, and start a DMA multichannel single conversion. I think I know how to do the DMA/ADC part after getting the ADC_MultiChannelSingleConversion example running; I'll th...
Possible counterfeit STM32F405? Nearly identical MCU IDs on two Betaflight flight controllers
Hi,I have two identical flight controllers from BetaFPV:https://betafpv.com/products/f405-4s-20a-toothpick-brushless-flight-controller-v5-blheli_s-icm42688?_pos=11&_sid=55080f3df&_ss=rboth using an STM32F405 MCU. I noticed that the unique device IDs ...
STM32L476RG Nucleo-64 SPI Transmission Problem
Hi, ı am trying to send some buffered data via SPI but it doesnt work. PA5-6-7 are automatically set by SPI and I also enabled PB6 for CS. Normally my algorithm needs to:1) Send 3 HF pulses to low and start interleaved ADC simultaneously.2) Take 1400...
STM32U5G9J-DK USBX MSC – How to Reliably Detect Host Connection & Disconnection (No USB PD)
Hi all,I'm working on the STM32U5G9J-DK development board and trying to enable USBX-based MSC (Mass Storage Class) device functionality.My actual product is a battery-powered device, so USB Power Delivery (PD) is not an option. However, it's critical...
