STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Callback take long time to trigger

MCU STM32L431, SYSCLK 80MHzThe callback takes 1.5us to fire from pin drop, and the callback functions take long time to execute as I show the imagethe pin config function/** * @brief GPIO Initialization Function * @param None * @retval None */static ...

JSanz.1 by Associate III
  • 927 Views
  • 5 replies
  • 0 kudos

Resolved! RM0440, Rev 4, STM32G4 Reference Manual - typos

Table 226 on page 906 has an entry HRTIM_TIMxCMP1CR <- I don't think this is a real register.Section 27.3.8, page 888 second line in last paragraph says "any of the 5 timers". I think that should be 6 timers.Section 27.5.66, page 1050 says Bits 31:0 ...

HALL bug not setting clock ?

Hello. I was working on example generated by cubeMX (new version) on STM32L562VET6Q processor and canbus.Example code of networking worked just fine, but copying code to my LL based project made CANBUS inoperable.I was able to track down what is diff...

Linas L by Senior II
  • 281 Views
  • 1 replies
  • 0 kudos

STM32L0x2 bug in reference manual

RM0376 Reference manual for STM32L0x2 DocID025941 Rev 5 states in 14.9 "Temperature sensor and internal reference voltage" :The following formula gives the actual VDDA voltage supplying the device: VDDA = 3 V x VREFINT_CAL / VREFINT_DATAThis can't be...

MWebj by Associate III
  • 1023 Views
  • 6 replies
  • 0 kudos

Pipeline stage explanation

hi, all. I wanted to ask about The pipeline stages in the m cortex processors , i read that m0 has 3 stages and m0+ has 2 , which renders it more efficient , can anyone explain what that means?

AMat.1 by Associate II
  • 710 Views
  • 1 replies
  • 0 kudos

F7 UARTs Anything special?

The F4 board worked fine doing UART DMA. I start to regret this upgrade.Forget DMA and IT for now, just trying to get F7 polling working.First HAL_UART_Receive works, but the rest time out.Register analysis is unenlightening going by RM0385 referen...

Sking.21 by Associate III
  • 821 Views
  • 3 replies
  • 0 kudos