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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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TIM2 Interrupt problem

Posted on June 18, 2013 at 11:25I write this code witch turn on the 4 leds of the stm32 when pushing the bouttan and after it wait for some time and turn off the 4 leds. I checked the code without the delay it work fine but whith the delay the progr...

Start with STM32F4-Discovery

Posted on June 18, 2013 at 16:22Hello, I'm new user. I read many documents, but I have doubts. I'm working with uVision. My question is: is it possible load flash memory by mini usb? If yes, How I can configure debug option in uVision? THANKS #s...

mosine by Associate II
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STM32F405RG USB FS unexpected Interrupt

Posted on June 17, 2013 at 18:30I build my own STM32F405RG Stamp and try now to get the USB FS running. For to make good progress I use the libraries, which are available for the stm32F407 Discovery. I use Atollic True Studio Lite and ST-Link/V2 SWD...

mgmv05 by Associate II
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STM32 Accelometer

Posted on June 17, 2013 at 17:07hello people i'm using IAR  IDE and i'm trying to make a program which get accelo values (x and y) and put them on lcd  this is my code and it didnt work i dont know why: ****************************** #include ''stm...

On board ST-LINK and Windows 8

Posted on November 29, 2012 at 13:34Hello,I have same problem with my ST Discovery board on Windows 8. After I connect board to PC, windows was trying to install driver - but unsuccessful because driver files does´t contain a digital signature. In ...

hospodar by Associate III
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systick always 3 times what it should be

Posted on June 18, 2013 at 05:03I've tested the example systick app and it worked, but my (keil) app will not work. I'm just trying to blink a light on a 2 sec interval, super frustrating.the project settings have the system clock at 25mhz. I'm usin...

STM32F3 Discovery File Compatibility

Posted on June 17, 2013 at 17:43I'm currently working with a STM32F3-Discovery board which has the STM32F303VC microcontroller on it.  I'm planning on eventually using the STM32F373C8 on my board, but I want to test out some code and get comfortable...

mattfox by Associate II
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Setting SPI1 freq for SD card = 24Mhz

Posted on June 17, 2013 at 12:32I am using STM32F205 with 120Mhz interanl PLL(HSI).I have to interface SD Card on SPI with <= 24Mhz. Problem is with 120Mhz sysclk I can only obtain SPI-30Mhz(can't use of SD), 15Mhz(too slow)and other lower freq.Now ...

Blinking LED based on IWDG counter

Posted on June 15, 2013 at 13:38Hi, In our system, our main code loop repeats every 12 seconds and refreshs the watchdog counter. When refreshing the counter, I toggle an LED. The only problem is the blink period. I would lke the watchdog running LE...

stenasc by Senior
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