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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Hard fault on os_tsk_self()

Posted on December 24, 2014 at 06:38 Don't really know what else to say. I'm using uVision4.74 and RTX. Please don't suggest to switch to uVision 5 and CMSIS-RTOS RTX. This line is a part of a function that was called many times before, so it...

Virtual COM Port on STM32L053 w/IDB04A1 ?

Posted on December 24, 2014 at 19:03According to the documentation and the release notes, it looks like I should be able to either download the binary or a rebuilt HEX file for the VirtualCOMPort project to the STM32L053 Nucleo board and then connec...

eleventen by Associate III
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I2C problem, no ACK

Posted on December 27, 2014 at 16:28Hei,I am trying to communicate with the Barometric sensor MS 5611, using the I2C protocol. My micro is STM32f3discovery. The address of the sensor is send, but not the command. The code is stucked in the while loo...

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esovo1 by Associate II
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low speed GPIO for FMC?

Posted on December 27, 2014 at 11:11HAL_FMC_MspInit()  generated by F4 CubeMX   initializes all FMC related pins as GPIO_InitStruct.Speed = GPIO_SPEED_LOW;   SDRAM is driven at max 84MHz frequency (STM32F429). I know that SPEED_LOW is only a slew ...

STM32F05 ADC Disscusson

Posted on December 26, 2014 at 06:56 Dear All, I started STM32F0 ADC configurations select independent conversion mode (single) ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; But my CMSIS stm32f0xx.adc.c file does not have...

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stm32f091RB

Posted on December 26, 2014 at 13:31hello everybodybefore starting to explain my problem, I wish to inform you that I am a beginner, and also I'm sorry for my English.I'll buy a STM32F091RB MCU and I have not found an IDE to program nor a tool to do...

rafik by Associate II
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STM32F415RGT6 power scheme

Posted on December 25, 2014 at 22:10Hello,I am engineering new PCB. It is little bit unclear from datasheet so I would like to know if my power supply scheme is correct, especially decoupling capacitors.Thank you very much! #stm32-f4-power-supply...

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zexx86 by Associate II
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STM32F072 datasheet APB2 reference?

Posted on December 26, 2014 at 04:58Hi everyoneSo I've been trying to find reference on the datasheet of the STM32F072RB for the APB2 but with no avail.I am talking about this one http://www.st.com/st-web-ui/static/active/en/resource/technical/docum...