STM32 MCUs Products

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STM32L151RET6 is in halt state

Greetings,I have a board with STM32L151RET6. I can program the controller using st-link, but as soon as i try to enter debug mode it ide says cannot read memory. I am using keil and i am trying to enter debug modue using keil debugger and stlink.I ha...

Triggering the read timing of ADC when using DMA

I am using ADC DMA to read 100 sample from 1 cycle input sine wave whose frequency is 1KHz . When we using ADC to read DMA, the DMA reads ADC continuously until buffer is full. I want the DMA to read and store ADC data in buffer one at a time when it...

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FLast.5 by Associate II
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  • 1 replies
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32 bit limit on chained 16 bit timers

Working with a L4R5. I have chained TIM1 & TIM3 to create a 32 bit 1mS counter.Is it possible to reset both counters on an arbitrary 32 bit value?I would like to limit the count to 0x240c_8400; msec in one week.I understand how to reset a timer base...

RHerm.3 by Associate III
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  • 5 replies
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Resolved! Nucle-L4R5ZI Hard Fault Timer with Output Channel

I use the NUCLEO-L4R5ZI Evaluation Board.I use STM32CubeIDE with HAL and gcc.When i activate an Timer Output Channel (I have tried it with Output Compare, PWM, Forced Output) i get a Signal:0 in the gdb after the Timer init (e.g. after call of MX_TIM...

MMuet.1 by Associate
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  • 2 replies
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Resolved! Emul usart AN4457 issue

Hello,Has anyone ever used the emulated usart provided by ST (AN4457) based on timer and DMA?I need it for transmit, not for reception.In my test, most of the time TX characters are corrupted, sometimes it works.I checked with scope and it appears th...

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PCu1 by Senior
  • 2120 Views
  • 14 replies
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