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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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STM32 and Timer Interrupt flags

Posted on August 05, 2015 at 11:39Greetings. I have a timer3 configured to be 1 ms timer with an interrupt on the overflow: void InitTIM3() {   TIM_TimeBaseInitTypeDef timer;   TIM_TimeBaseStructInit(&timer); // Fill structure fields with default va...

unable to program STM32 using stlink v2

Posted on August 05, 2015 at 10:49helloi was testing the sleep modes in stm32 low clock modes, i guess i have programmed with MCU with 32kHZ clock, now using the stlink v2 i am unable to reprogram the MCUi see no setting in st link v2 software can a...

embedsol by Associate II
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I2C1 inop after 1.1.0 update

Posted on August 05, 2015 at 11:38Hello.Could please someone help me with this issue. After updating firmware package in STM32Cube for STM32F1 to 1.1.0 version I2C module 1 stopped working. But at the same time I2C module 2 works fine as before. Whe...

dimkyy by Associate II
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Nice problem with IAR ARM Compiler

Posted on August 04, 2015 at 09:40 So many of you know i am having hard time to make my STM32F4 program work with STM32F7 micro. Latest finding for me looks just not acceptable. So many people to make programs shorted use function calls ...

STM32F1x(/4x?) SDIO DMA TX FIFO underruns

Posted on August 04, 2015 at 23:32As many others on the forums and the Interwebs have, I recently ran into a problem with SDIO TX FIFO underruns, even when using DMA at the highest priority.  I did figure out a solution though, and thought I would s...

Feedback/issues in Cube app V4.7.0

Posted on April 27, 2015 at 05:59Few things I've found with the Cube Generator app V4.7.0:- in the I2C configuration section, the maximum clock speed is 100 khz, even if Fast Mode is selected. Can't select 400 khz- in the LwIP options, it seems that...

[STM32F4 Discovery] Can't breakpoint in RTC ISR

Posted on August 05, 2015 at 02:17 Hi all, I am evaluating STM32F4 Discovery board. I have quite a strange problem that I don't really understand. I generated a project via the STMCube software (no changes to the default discovery board confi...

jitesh by Associate
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STM32F7 UART HAL Driver Bug

Posted on August 04, 2015 at 22:58The STM32F7 HAL Driver (v1.1.0) has a bug in the __HAL_UART_CLEAR_IT macro:Writing a bit to the ICR register clears the corresponding interrupt; however the __HAL_UART_CLEAR_IT writes the ones-complement:&sharpdefin...

malcolm23 by Associate III
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STM32F103 - DAC

Posted on August 02, 2015 at 14:00Hi dear friends,I have the SMT32F103RCT6 and I trying to use the DAC with DMA. I compile the ''OneChannelDMA_Escalator'' example and unfortunately it won't work, When I change the code so it will work without the DM...

jaykov by Associate II
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