STM32 MCUs products

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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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oscillator sellection

Posted on September 05, 2013 at 16:24hello i designed an eval board base on stm32f107RC myself and i want to program it by using dfu bootloadert then i should download the bootloader file(IAP) from this site so i did this .now do i have to put a 25M...

morykeys by Associate II
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USART escape sequence and interrupt.

Posted on September 05, 2013 at 18:30Hi,I am usingSTM324x9I-EVAL, which has a 32F439 chip with Keil tools chain and StdPeriph Lib, 1.2RC2, FreeRTOS 7.5.The following is the section of interrupt code.void USART1_IRQHandler(void){  portBASE_TYPE highe...

tonyyu by Associate II
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STM32F0 + I2C

Posted on August 06, 2013 at 14:26Hi Guys,does anyone of you have a simple interrupt base example for a I2C communication with the STM32F0 using the FW-Lib from ST. I've found nothing in the net and I can'T use the examples of the STM32F1 because th...

manuel by Associate II
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unexpected ustart1 isr

Posted on September 05, 2013 at 16:06Attached is the pic showing the ustart1 registers. I do not see why i get usart1 irq, but it is ... What am I missing? My isr is stuck because something needs to be cleared. void serial_port::isr_x() {     if (U...

denis by Associate II
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Encoder input pulse counting

Posted on September 04, 2013 at 06:10 Hi All, I have a hall effect sensor outputting 0-5V square wave. This is connected to TIM2 CH1 (PA15) on STM32 M4. I am having problems converting this output to RPM value. The output varies from...

stm3220G-EVAL DFU image templet (TASKING)

Posted on September 04, 2013 at 10:39Hi   I'm trying to create a dfu image in TASKING for stm3220G-EVAL. For bootloader I'm using ''STM322xG-EVAL_USBD-FS'' from the STM32_USB-Host-Device_Lib_V2.1.0 library.     The binary templet example in STM32_U...

Frustrating LCD + DMA

Posted on September 04, 2013 at 18:36 Hi I'm faced to a DMA who don't want work ... I have look all around (this forum , internet , crystal ball .. ) but i don't know why my screen stay blank :( I use a 320 x 480 (ILI9481) tft screen ...

warcatz by Associate II
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