STM32 MCUs Products

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how to terminate I2C master-receive transaction?

target CPU: STM32F427IGI set up STM32F427IG as master receiver via DMA. I wait on "DMA_GetFlagStatus(I2Cx_DMA_STREAM_RX, I2Cx_RX_DMA_TCFLAG" to figure out if I received what was sent.After running for 20 minutes or so, I2Cx_RX_DMA_TCFLAG flag does n...

Csen.1 by Associate II
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ADC conversion stops working with timer interrupt

Hi, I am new on mcus and STM32 board. Now I am stuck on a test project. I have a STM32F56ZG nucleo board and want to sample values from 4 ADC inputs; process them and then output the result on DAC channel 1. I am using DMA triggered by timer 6. The...

AMaub by Associate II
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Resolved! PWM output synchronization problem

Hi,Master:​​Platform: STM32F301K8UCPU clock frequency:72M​As shown in the figure, the original analog video signal (PA7 pin) is compared with DAC1_CH1 through a comparator, and a pulse sequence with a slightly changed duty cycle and period is output....

Lyu.1 by Associate III
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confusing about the regiser SYSCFG_CFGR3?

mcu:STM32L071RBTxquestions in the reference manual :9.2.3 Reference control and status register (SYSCFG_CFGR3)Bit 8 ENBUF_VREFINT_ADC: VREFINT reference for ADC enable bitThis bit is set and cleared by software (only if REF_LOCK not set).0: Disables ...

hguo.11 by Associate
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  • 2 replies
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STM32 Hang unewpectedly (NVIC suspected)

Hello,I've designed a board based on an STM32F091CBU.I needed CAN bus support, one SPI and one I2C and a timer interrupt.When I tested my program, it hanged during the initialization of the IMU (an LSM6DSM) due to HAL_delays I ordinary set between SP...

SSchm.5 by Associate III
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  • 4 replies
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