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

PWM max voltage 3 V !!!

Posted on February 18, 2015 at 10:07I use a STM32f4vgt6 and I configured the PWM to control a DC motor. The problem is that when I measure the output PWM tention I notice that it does not exceed the 3V. When I connect the VDD pin to 5V, the problem ...

haythem by Associate II
  • 730 Views
  • 1 replies
  • 0 kudos

Problem Uploading code to STM32F103ZCT7

Posted on February 16, 2015 at 12:59Hello all,I am having problem in updating the code to STM32F103ZCT7 using ST link V2.I am getting the error as ''Can not connect to divice; Internal Command Error''I am using three pins SWDIO, SWCLK, NRST. I have ...

Use a pin for PWM capture input AND counter

Posted on February 12, 2015 at 09:28Dear all, Do you know if it is possible to get from a single pin a capture PWM input (and get the frequency) and on the same pin, to be able to count the number of pulse ? Currently I have ''capture PWM input'' on...

laurent2 by Associate II
  • 927 Views
  • 4 replies
  • 0 kudos

Code and vector in SRAM

Posted on February 17, 2015 at 17:36Hello, I want to have a fast interrupt with the STM32F429 at 168MHz. I use EXTI interrupt who toggle an gpio for test. I measure the time with a scope between the exti pin front and the gpio output front. I made...

eric2 by Associate
  • 675 Views
  • 3 replies
  • 0 kudos

Free Development Tools for STM32 Microcontrollers

Posted on February 17, 2015 at 14:5802/17/2015STM32 users can now choose from three IDEs from leading vendors, which are free of charge and deployed in close cooperation with ST. Users can choose between: CooCox CoIDE: support all STM32 devices b...

STM32F4 Bootloader - DFU USB and not DfuSe

Posted on February 17, 2015 at 14:10Hello,the STM32F4 Library has an example for DFU over USB (usbd_dfu.c). However, it is implemented the DfuSe way, so it does not follow the DFU standard and can't be used with software which follows the standard. ...

STM32F0 playback audio using pwm and DMA

Posted on February 17, 2015 at 11:08I have successfully made it work with STM32F072 board using the dac, dma, tim6. The timer is responsible of triggering the dac and there is a double buffer mechanism when dma finish handling the current buffer. ba...

roy23 by Associate II
  • 505 Views
  • 0 replies
  • 0 kudos

MTTF Reliability of STM32F0 controller

Posted on February 17, 2015 at 09:12Hi, I couldn't find a value for the lifetime of the microcontroller. I just found these very big and complicated stuff in the datasheet, but no value or something. Maybe somebody could help me out. I expect someth...

SPI interface STM-32

Posted on February 17, 2015 at 06:44 I have been trying to interface between cc3200 and tdc gp-22,in which i got example code for tdc gp-22 which is written for STM32F105_VC microprocessor. The attached function is used for '' Reads n bytes fr...