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Analog Watchdog Interrupt feature in STOP Mode

Hello, this is my first project here, I'd like to get some guidance please.  I work with STM32L073 Nucleo board, and along other features successfully configured Analog Watchdog Interrupt on PA4 pin, it works great in normal mode, but not when the IC...

SergioL by Associate
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  • 1 replies
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external SRAM

it passes the 16bit test but fails the 32 bit testwhen i check a good board the D1 signal is high not fluctuating.any advice?  

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Hall Sensor Interfacing Timer

Hello everyone,I'm trying to to use TIM2 as interfacing timer to capture 3 hall sensor inputs. I set the TIMx.CR2.TI1S bit to XOR combination and use OC2REF is sent to TIM1 through TRGO as exactly said in RM0008 Interfacing with Hall sensors section....

Berkan by Associate
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  • 4 replies
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SysTick preemt

Is it possible to ensure that the systick is handled (or the timer that handles the ms tick), and at the same time not interrupt higher priorities unless the irq has been busy/active for example 1 ms?I guess the question applies for arm M0 - M4 in ge...

mrandr by Associate
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Resolved! How long is __NOP()

Hello,How long does the __NOP() function last?Is it the time of a cycle? Or 1/F = cycle time?My MCU is an STM32F401RE, and I understand that the maximum frequency is 84 Mhz.So 1/84 Mhz = 11.90 ns, is that the time of a cycle?In my case, if I loop 14 ...

AD_716 by Associate III
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  • 9 replies
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Resolved! AN2606 missing STM32G4A1 series

I'm trying to configure the Bootloader for a STM32G4A1KE processor, but in the AN2606  I cannot find any information regarding this processor (family STM32G41). Although it is listed in the introduction section of AN2606, no further information is gi...

STM32L433 goes to hardfault after certen time lapse

Hello everyone, I am using STM32L433 with external crystal 12MHz. SYSCLK is 72MHz. i am using three usarts (1,2and 3). but after certain time period of execution lapse. STM32L433 goes to hardfault handler and executiion stucks, After debug found that...

rahulgate by Associate II
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  • 7 replies
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What is SAI "Error between selected"? (CubeMX bug?)

Today I spent some time to fine-tune SAI clock to get standard 22.05kHz sample output rate.However, I do not understand why CubeMX states that "Error between selected" is 0.22%.What is "Error between selected"? Why this error is zero when selected fr...

SAI3.png SAI2.png SAI4.png
TDJ by Lead
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  • 10 replies
  • 8 kudos