STM32 MCUs Products

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L4 TAMP registers resetting

   Any suggestions as to why power down, then reconnect debugger (JLINK pro) is clearing the TAMP registers to 0?Device is STM32L4P5The clock source seems to be present, it doesn't enter the if statement   if (LL_RCC_GetRTCClockSource() != LL_RCC_RTC...

_EFrie by Senior
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Filtering i2c interrupts by i2c module

I'm working with the STM32U575 and using all four i2c blocks. My i2c code is interrupt driven.I can't find the right way to check which i2c block trigered the interrupt, suggestions please? void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t d...

Resolved! FDCAN2 Rx callback doesn't work STM32H753

Dear all,I'm struggeling to get FDCAN2 working on my board. I also use FDCAN1 - which is working pretty good.For FDCAN1 I selected the RxFifo0 and for FDCAN2 I selected RxFifo1.But for some reasons, I dont get the callback for HAL_FDCAN_RxFifo1Callba...

julred by Associate II
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  • 9 replies
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Resolved! Stm32G0b FDCAN automatic bus-off management

I decided to replace the STM32F105 with the STM32G0B in my project.I have problems setting up FDcan.The STM32F105 had an “automatic bus-off management” setting, but the STM32G0B does not! This feature is enabled by default, how can I disable it? So t...

Resolved! STM32H735G-DK and ADC usage

Hello, I have never used STM before and I am trying to choose a product, but I cannot buy and try each of them due to their prices. I am doing high-frequency work and I need a screen. STM32H735G-DK is a suitable board for me. However, there is a que...

Resolved! Have to choose between STM32H7B3 and STM32F7xx

Hello all, I have to develop an application with a 7 inch screen driver SSD1963,for the choice of cpu. I'm deciding between an STM32H7B3 and STM32F7xx, on the card I need RAM for screen storage,touchscreen management, communication with an FPGA in SP...

PSEBA.1 by Associate II
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  • 4 replies
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Resolved! MJPEG Video Decoding (stm32h747I)

Hi,I recently bought an STM32H747I-DISCO board and I'm trying to run the JPEG_MJPEG_VideoDecoding code example with an external display. The code works fine with the on-board display, but I'm struggling to get it working with an external display that...

AFato.3 by Associate II
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  • 2 replies
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