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Question about STM32H743 Errata Sheet ES0392 Rev 7

In Section 2.2.13 of ES0392, it states that there is "unexpected leakage current" if Vin >Vdd.What is the bound on the leakage current (assume an FT pin type):Vin = 5V and Vdd = 1.8VVin = 5V and Vdd = 3.3VVin = 3.3V and Vdd = 1.8VThank you.

losing some isr

Hello dear experts,I am using the TIMER2 on stm32F446Re with TI1_ED as reset mode input and TIM2_CH4 as timer value capture input. I inserted code to toggle a gpio in the HAL_TIM_IC_callback. On the scope I am capturating the TIM2_IC4 signal and the ...

papageno by Associate III
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  • 2 replies
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ADC DMA with TIM21 TRGO conversion source on STM32L010

I've got an application where I'm performing an ADC DMA transfer where the ADC conversions are triggered by the TIM2 TRGO. Everything was running smoothly until a PCB respin forced me to switch over to TIM21 to trigger the conversion. I didn't see a ...

DWann by Associate III
  • 2092 Views
  • 12 replies
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Storing small data in internal flash

HI, we are working on STM32H750. in our program, we need to store 5 bytes in the internal flash. this data will be read everytime the device is powered on. the data will be changed whenever the settings are changed by the user. i.e. once in a while.M...

dv.13 by Associate II
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  • 1 replies
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RTC backup date and time

Hi,I created this function in order to store the date and time. It works !But the problem is when I load date and time, the time is the last before turning off the system.void RTC_Init(void) { /* Restore the date form backup registers */ RTC_LoadDa...

MMerc.1 by Senior
  • 1450 Views
  • 4 replies
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Resolved! using PWM with STM32L412

I have PWM setup on my STM32L412, but there is no output on the pins. I move a value to CCR1, CCR2, CCR3 but there is no output. I'm using cubeIDE to generate the HAL setup, but I notice that the timers aren't enabled, but this isn't the solution - e...

deep_rune by Associate III
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  • 3 replies
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Resolved! Why HSE is not getting ready?

Hi guys,I am using an stm32L552ZE with an NX2016SA-24MHZ-EXS00A-CS10820 oscilattor. Everithing runs as expected until i get to HSERDY waiting. I get a timeout at this part. For startup I am not running a cutom code and the HSE on code is:SET_BIT(RCC-...

CDan.1 by Associate II
  • 1383 Views
  • 4 replies
  • 0 kudos