STM32 MCUs Products

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DAC underrun when writing to a HRTIM register

Hi,I have the following configuration:1. ADC converts values and writes it to memory with DMA2. DAC outputs the ADC data also with a DMA3. Both, the ADC and the DAC are triggered by HRTIM TimerA at a rate of 700kHzAll works fine, I can see the data c...

berait by Associate III
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  • 1 replies
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Resolved! VBAT & RTC Issues on Circuit - STM32H563ZIT6

I am experiencing issues with the VBAT pin on the STM32H563ZIT6 microcontroller. Specifically, the VBAT pin is not responding properly. I am using a CR2032 CMOS battery for RTC backup, but it is not maintaining the date and time as expected. When the...

VBAT_CKT.png CMOS Battery.png

STM32L053 I2C problems with LIS3DH sensor

Hi, I'm trying to recover the data from the LIS3DH sensor and I found this tutorial " https://www.youtube.com/watch?v=A1CIOUZdeR4". In the tutorial the person uses function " if(HAL_I2C_IsDeviceReady(&hi2c1,SLAVEI2C_ADD,10,100)==HAL_OK) " to see if t...

0690X000006DavhQAC.png
JJavi by Associate II
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  • 11 replies
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ADC DMA

I am using the STM32U575 Nucleo board and have configured ADC4 IN3 to read ADC values using DMA. I referred to a tutorial video to set up the DMA for ADC. At 5:15 minutes into the tutorial video, there is  an option called 'Conversion Data Management...

_Danny_ by Associate III
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  • 2 replies
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Resolved! STM32U585 GPIO in RESET

Problem : GPIO PB7,8 is pull up in reset state.Reproduction: After Clearing Reset  (Reset Goes low)  the voltage on PB7 and PB8 goes high. uc is erased. We have external pull down connected to those pins (100k), but the signal stays at 2.5V Could you...

STM32h735 imprecise timings

Hello,I am currently trying to setup a timer to measure time in between two pulses. I have managed to get it working with the code below but the issue is that I get very imprecise readings on the frequency. I get an error that is hovering around 1-1....

Help : Bootloader and 2 flash sections on STM32U575

Hi All,I am using a STM32U575QI and I am wondering if it would be possible to create my own boot loader and then split my FLASH into 2 sections. I know I can get the boot loader application to start at address 0x0800000 and I have offset the vector t...

joeSD by Associate III
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  • 10 replies
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