STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32L4 ADC oversampling setup

I want to use the adc 15bit resolution.I don't understand why right shift and oversampling ratio are at the same time.​1. what is difference12bit + 4bit right shift + oversampling ratio 128xand12bit + oversampling ratio 8x?​2. What are the functions ...

0693W00000SvsRqQAJ.png
hchoi.1 by Associate II
  • 4360 Views
  • 6 replies
  • 1 kudos

I am using STM32H745 Discovery kit. I was running the example provided for UART but unable to see any message in Serial terminal. Checked on CRO but I am unable to see any data transmitted from TX pin (PB10).

I have directly connected the Tx of board to Rx of my computer and Rx of board to Tx of computer through the TTL to USB converter. I also checked the Tx and Rx of the board on DSO but was not able to see any data.

JPere.13 by Associate
  • 557 Views
  • 1 replies
  • 0 kudos

STM32H7 why is Dcache faster than DTCMRAM ?

I am benchmarking Stm32h7 processor on floating point operations and using CYCCNT to measure the performance difference .I placed my function in ITCM-RAM. which is just a function that does double math multiplication 10,000 times, the 4 variables use...

xchen.3 by Associate II
  • 3489 Views
  • 12 replies
  • 1 kudos

Resolved! STM32H7 HRTIM Single-shot mode

Hi, I want to use HRTIM to generate active low pulse of width 50ms. The functionality is to generate single 50ms pulse to enable external counter IC. Are there examples to configure HRTIM in single-shot mode.HRTIM kernel freq is 200MHz. Prescaler is...

KGane.1 by Associate III
  • 1490 Views
  • 3 replies
  • 0 kudos

Double complementary death time with STM32-F401RE board

Hi everyone; i followed the tutorial to get two output PWM signal with 10us of death time but i also tried to do a double complementary death time to have 4 signals with rispect death time but it doesn't work. In the main i add two mor command HAL_TI...

SMusc.1 by Associate III
  • 1338 Views
  • 5 replies
  • 0 kudos

STM32H750XBH6 HSE Crystal

HelloChallange to find a 25MHz HSE crystal due to extended lead times.Please let me know if this quartz crystal will work?ABM11-25.000MHZ-D2X-T320PPMFrom my point of view I think it will work.Please have a look and confirm. Thank you for your help!ht...

BHell.1 by Associate II
  • 697 Views
  • 2 replies
  • 0 kudos

Resolved! HAL - Why is the PWM pulse callback not triggering?

Hi there,I would like to execute some code in an interrupt handler when the pulse value for TIM16 is reached. But for some reason, none of the interrupts provided by HAL seem to trigger for this event.I have setup the timer using the configuration to...

0693W000003RFtSQAW.jpg
JWyli.1 by Associate II
  • 7750 Views
  • 6 replies
  • 0 kudos