STM32 MCUs Products

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STM32F107RC - Very low external resistor on NRST pin

Posted on June 03, 2011 at 23:59Hi, I want to build circuit with STM32F107RC. I projected PCB and chcek all wires with any avaluation kit board. When I turn power on all circuit take about 9 mA. I chcecked all power supply pins aroud microcontroller...

How to store web pages in microcontroller flash

Posted on September 26, 2012 at 14:37Hello all, I am doing a project where the microcontroller (STM32) is sending the parameters to the server via DHCP using wifi module. So, now i want to make available an offline web page to the user where he will...

bikash by Associate II
  • 2710 Views
  • 10 replies
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STM32 standard bootloader question

Posted on September 28, 2012 at 09:25Hi all,I need to be able to reprogram an STM32F103 device in the field through a USB connection on UART1. It is critical that the firmware update is performed without any direct user intervention on the board (ap...

gosal by Associate III
  • 1808 Views
  • 7 replies
  • 0 kudos

Problem with STM32F407 RAM

Posted on April 20, 2012 at 09:21I have recently assembled 6 PCBs with STM32F407IGT6 micros on them. I seem to be having a problem reading from RAM. This was first noticed when one of the boards was hard faulting and returning a non-precise bus erro...

jforrest by Associate
  • 3010 Views
  • 21 replies
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Super real-time application optimization

Posted on September 28, 2012 at 19:28Hello,  I've been wondering about upgrading to the STM32 from an ST10.  It's imperative that certain thing are as close to instantaneous as possible.  I was thinking I've identified two bottlenecks and two soluti...

drobison by Associate II
  • 760 Views
  • 5 replies
  • 0 kudos

STM32F TIM8 PWM

Posted on September 26, 2012 at 18:20Hello!I'm trying to get an STM32F407 with the LQFP176 Pinout to output in OC PWM1 mode.  My code is as follows:  /* set up GPIO as timer output GPIOI 5, TIM 8 CH 1*/    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOI...

IIR functions in DSP libraries (STM32F407xx)

Posted on September 28, 2012 at 19:08Dear colleagues,          are there any stable libraries for IIR (recursive) filters for the STM32F4x, aside of the CMSIS DSP software library? The CMSIS has only lattice (arm_iir_lattice***) or biquad (arm_biqua...

Those wonderful hardware people ....

Posted on September 27, 2012 at 18:12.... substituted a 64 pin for a 100 pin f105 and 'forgot' to put a pull-up on a pin for me to 'see' which model. Of course, they built a lot of them before I found out. unfortunately there are no useable PD or PE...

emalund by Associate III
  • 799 Views
  • 4 replies
  • 0 kudos

Starting with STM32

Posted on September 24, 2012 at 15:46Hi, I'm migrating from 8-bit AVR to STM32. I have purchased already a STM3220G-EVAL board with STM32F207 CPU. The first task I want to accomplish is to get a ''Hello World'' application running on this board via ...

dimax by Senior
  • 1380 Views
  • 14 replies
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SMT32F103x_XL FLASH bank 2 stays BUSY

Posted on September 12, 2012 at 08:21Hi all,I am using an STM32F103ZG with the STM32F10x_StdPeriph Library. I started the development of the project with Keil ARM-MDK but now moved over to GCC.The switch over has gone pretty smooth until now. I use ...

hermanv by Associate II
  • 770 Views
  • 1 replies
  • 0 kudos