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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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STM32F3 NRST pin slowly pulls low

Posted on May 01, 2018 at 07:34Hello, I have an STM32F3 built into an application. I managed to upload a very simple code and run it, but something weird is happening. After about 20-30 seconds the mcu turns off. I measured the voltage at the NRST p...

Resolved! Atollic CubeMX Missing Source Files

Posted on January 27, 2018 at 08:16Every project generated in CubeMX with Truestudio as the target fails.The project generates ''Virtual'' folders in Drivers but the contents of the folders are missing. Compilation fails due to missing HAL_ driver s...

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STM32CubeMX for STM32F4 configures inputs as outputs

Posted on May 28, 2018 at 17:39Inputs for (at least) Timers and U(s)arts are being configured as PushPull outputs. There is no option to change this, so it produces the code below. I'm using a STM32F407VET and all the lastest STM32CubeMX software. (...

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Willunen by Associate III
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Anyone Using CAN to Update Firmware?

Posted on February 15, 2018 at 10:12I'd like to use the CAN Bus to upgrade firmware. I've read the http://www.st.com/content/ccc/resource/technical/document/application_note/56/94/0c/7d/63/f6/4d/96/CD00264321.pdf/files/CD00264321.pdf/jcr:content/tra...

STM32L152 - EXTI and SPI interference

Posted on May 28, 2018 at 16:32 I am having issues using extrenal interrupts together with the spi on my stm32l152re-nucleo board. I am using theSTM32CubeL1 LL Drivers in the 1.8.0 Version. I am working with an external device that should gi...

m schuh by Associate
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STM32F103C8T6 I2C in Interrupt Mode

Posted on May 28, 2018 at 17:55Hello everyoneI am having problems with I2C in interrupt mode. When STM32 attempts to communicate with multiple devices, STM32 is sometimes busy and can not send that byte waiting to be sent via I2C. What is the conseq...

STM32L452 shutdown mode very high current consumption

Posted on May 28, 2018 at 17:01Hello,I'm using STM32L452 for my project and I'm trying to use shutdown mode, but I'm getting very high current consumption ~1mA but with STOP1 mode the current consumption is only 65uA (Its according to spec because I...

priven by Associate II
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I2C ISSUE ON NUCLEO-F429ZI

Posted on May 28, 2018 at 15:34Hello,I am using MCP23008E/P with Nucleo-F429ZI through I2C. It worked at the beginning, and but now I always has  HAL_I2C_ERROR_AF error on transmission. When I hook up scope, I find it looks transmission is broken af...