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

Clearing TIM OCxREF signal

Posted on October 04, 2014 at 22:23Reference:RM0090STM32F407xx Reference ManualRev6Section 17.4.7TIMxCCMR1->OC1M--PWM Mode 1,2Quote:''2: In PWM mode 1 or 2, the OCREF level changes only when the result of the comparison changes or when the output co...

dibs by Associate II
  • 927 Views
  • 1 replies
  • 0 kudos

stack pointer incorrect

Posted on March 25, 2013 at 10:39Hi, We are trying to migrate from IAR Kickstart kit with IAR-STM32F207ZG-SK board to our own board. On our PCB we have STM32F207ZC mounted. The small test code is successfully downloaded with J-Link. Downloaded C:\da...

optifier by Associate II
  • 2364 Views
  • 9 replies
  • 0 kudos

Problems with programming STM via ST-Link SWD

Posted on October 05, 2014 at 10:08Hello, I use your microcontroller STM32F407(lqfp100) at my work. We develop at the research institute a system of control engine. I developed a program at STM32F4 Discovery. But when I developed my scheme where use...

External Voltage Reference? To get a most accurate ADC result

Posted on October 06, 2014 at 09:53Dear all,We are trying to use the on-chip ADC of STM32F407. We have read two appnotes, which are AN4073 How to improve ADC accuracy when using STM32F2xx andSTM32F4xx microcontrollers and AN2834 How to get the best ...

cyqdtc by Associate II
  • 553 Views
  • 1 replies
  • 0 kudos

How can I return from sleep mode on stm32f401

Posted on October 03, 2014 at 14:28Hi, I'm facing with a strange problem, in fact I'm working on Discovery platform to study the stm32f4 low power modes. I'd like to enter and exit from sleep mode and to do this I use an UART to send the command to ...

DUrbano by Associate III
  • 1648 Views
  • 8 replies
  • 0 kudos

STM32F4 potentiometer and ADC

Posted on October 01, 2014 at 17:23 HI, I want to read the value of a potentiometer; I have this ADC: #include ''stm32f4xx_adc.h'' #include ''stm32f4xx_gpio.h'' #include ''stm32f4xx_rcc.h'' #include ''pwm2.h'' void adc_configur...

pano by Associate II
  • 2430 Views
  • 5 replies
  • 0 kudos

STM32F4 tutorials?

Posted on October 02, 2014 at 19:55Hi everyone, So i wanted to get into ST ARMs microcontrolers. I only used TI Tivas before but i wanted to try out the ST ones.Well i would like to know if anyone could provide some links to tutorials and such. My m...

luis by Associate II
  • 961 Views
  • 4 replies
  • 0 kudos

STM32F4 ADCs Can Achieve 2.4MSPS?

Posted on October 02, 2014 at 15:36Hi,I�m running a single ADC in continuous mode with fADC = 21MHz and expect it to provide 1.4MSPS. I seem to be getting only 0.55MSPS. Can anybody explain why this might be?According to the STM32F407xx Datasheet (D...

h239955 by Associate II
  • 2515 Views
  • 6 replies
  • 0 kudos