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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HAL Timer interrupt

Posted on July 30, 2015 at 19:24 Hello, I tried to use the Timer interrupt. In the examples of the STM Discovery they used the HAL_TIM_PeriodElapsedCallback handle function. But with this does'nt work (The don't used HAL_NVIC_EnableIRQ(T...

NUCLEO STM32F091RC - program doesn't run

Posted on August 02, 2015 at 09:56Hello. Program flashed with ST-LINK and Keil uVision 5.1 without any errors. The problem is program start only after several resets.  Anyone had similar problem? Thanks for any advice.

STM32CubeMX 4.9.0 and FW1.7.0

Posted on July 23, 2015 at 16:07Hey guys, does STM32F4, V1.7.0 work with CubeMX4.9.0? I have CubeMX4.7.0 and only can use FW V1.5.0 (known bug I know), so trying to determine if I should update to CubeMX4.9.0.....

STM32F072 lowest PCLK is 10MHz?

Posted on July 31, 2015 at 12:26We have a design with STM32F072, and we would like to work with HSI at 8MHz in order to achieve the lowest posible consumption as long as we don't need too much processing power, thus the USB requiring 48MHz would be ...

Stm32f7xx internal flash size

Posted on July 31, 2015 at 09:03Hello.There is a question about stm32f7xx internal flash size. Will be released stm32f7 controllers with 2mb flash? There is only stm32f7 controllers with 1mb flash now. Anybody know?

STM32F401 SPI problem

Posted on July 30, 2015 at 06:45I work the SPI1 normally,but cannot work on other 2,3,4....i think F401 have SPI2,3,4 right?i via dma and setting follow my setting in SPI1i try SPI4, DMA channel 5 stream 3,4 for tx rx. but no output.the stdperiph li...

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HardFault_Handler headache

Posted on July 30, 2015 at 10:36Hello all ; I have an old working project that we use  the function : arm_cfft_radix4_f32(&S, testInput); where testInput is a float array in the RAM . we need to add some function for the project we added more ext...

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