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Forum Posts

STM32F071RB6T ADC FAIL ?

Posted on August 23, 2017 at 16:03Hey,i have a strange behavior of STM32F071RB6T.I initialize the RCC, TIM3 for PWM 1Ch. works!I initialize the RCC, TIM3 for PWM 1Ch, ADC with DMA. works!I deaktivate PWM init and just whant to test the ADC with DMA ...

Resolved! FMC and 16/32b multiplexed mode

Posted on August 23, 2017 at 17:23Hello,I have some doubts with understanding and configuration of specific FMC modes. May I kindly ask you to check if my intentions are correct?We have STM32F767 connected to our proprietary memory-mapped periphery ...

dstindl9 by Associate II
  • 743 Views
  • 1 replies
  • 0 kudos

Resolved! inconsistent Information concerning STM32L071

Posted on August 22, 2017 at 07:47Hi, There is an inconsistent information about the numbers of usart in series STM32L071KBTx and STM32L071KZTx(both LQFP32.)in the datasheet, it says there are 3 usart:================================================...

0690X00000602UMQAY.bmp 0690X00000602RtQAI.bmp
Zt Liu by Senior III
  • 679 Views
  • 3 replies
  • 0 kudos

Linker Problem: undefined reference to `__errno'

Posted on October 22, 2015 at 18:20Hi,I'm trying to get to grips with System Workbench for STM32 & STM32F429i-Disco board.I'm trying to build the STemWin_SampleDemo project for STM32F429I-Discovery, supplied in STM32Cube_FW_F4_V1.8.0but it comes up ...

daemynnur by Associate II
  • 9195 Views
  • 13 replies
  • 4 kudos

Why is the SysTick timer off by a few clock cycles?

Posted on August 11, 2017 at 08:36Hello all,Sometime ago I was looking into configuring the SysTick timer for an stm32f407 mcu. As the CMSIS lib provides a function for this, this is kind of straight forward. To verify the configuration I measured t...

Resolved! STM32F723 ST-Link FLASH memory-size and erase error

Posted on August 15, 2017 at 23:281. ST-Link reports the wrong size for the Flash memory. ST-LINK-Utility reports 'Unknown' and the ST-Link CLI reports 4095 kBytes.2. ST-Link CLI can't erase memory sector 1 at 0x08004000. When using the commandline-...

How to get more info when watchdog reset occurs

Posted on August 22, 2017 at 09:43We are using quite a few stm32 MCUs from 401 to 439, and our program becomes more and more complicated. In order to avoid possible deadloop, we have used watchdog to rescue the system, basically it is working well n...

jeff23 by Associate II
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  • 5 replies
  • 0 kudos

spl RCC config for external oscillator

Posted on July 30, 2017 at 10:57hi i have connected &sharposcillator to &sharpOSC_IN (PD0) i used this function for init &sharpRCC at &sharpSTM32F103c8t6but is not work with &sharppll and &sharpexternal oscillator please help to me ...void RCC_Confi...