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I2C Reception Issue with DMA in HAL Library

HelloI am implementing I2C transfer with DMA in stm32.Processor: stm32l152rdt6DMA Configuration:I would like to continuously receive 3 bytes from master, so I use circular mode.NVIC Configuration:I2C Initialization Code: hi2c1.Instance = I2C1; hi2...

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MHuan.18 by Associate
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What is the impact of overlapping ADC conversion on STM32H743?

In the STM32H743 errata sheet (ES0392 revision 4), section 2.3.1 “Conversion overlap may impact the ADC accuracy�? leaves me with three questions:If I am reading correctly, this means that running conversions on two different ADCs, from two different...

CHead by Associate III
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More documentation about VOSRDY

Hello,STM32F4 and F7 have a VOSRDY bit in PWR->CSR. Documentation about the bit is nearly not existant. On a F4, while still running on HSI, I changed the VOS setting. Waiting for VOSRDY in that state never succeeded. Looking for that bit just before...

STM32F746 CACHE: problem with Reset after SCB_DisableDCache();

Hi,I am using STM32F746 series MCU.1) After executing SCB_DisableDCache(), the CPU resets.2) The CPU starts up after repeating the reset multiple times.3) This symptom does not occur when debugging with JTAG (ST-Link) connected.Could someone know thi...

KNono by Associate II
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Resolved! STM32L152

Hi,Is there somebody who really used the RTC using external crystal (HSE) of 32.768KHz ? I tried to use it but with no success.Using the RTC with internal oscillator of 40KHz (HSI) the all it's OK. I think that there is a problem with external crysta...

costi by Associate III
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  • 10 replies
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