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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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STM32F0 CAN Stops communication

Posted on August 16, 2017 at 21:39Hello,I'm working with STM32F0 and CAN communication, sometimes the CAN peripheral stops, doesn't send or receive messages.In the past I asked the same issue and the answer was that it could be the HAL_LOCK funtion ...

eng23 by Senior
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PA9 as VBUS sense of USB_OTG_FS (STM32F407)

Posted on August 24, 2017 at 15:33I played with PA9 on a DISCO-F4 board in its OTG_FS_VBUS function. This is a non-AF function, i.e. it's connected to PA9 all the time, and is supposed to be governed by USB_OTG_FS settings. I am not interested in OT...

STM32F7 HAL CAN Receive interrupt only once

Posted on January 25, 2017 at 20:33I seem to have an issue with receiving CAN messages.  It is set up on an interrupt, but the interrupt only seems to fire once, and when I receive the 2nd message, nothing happens.  There seems to be very little on ...

STM32L443 microcontroller wake up problem

Posted on August 24, 2017 at 11:00Hello,   I'm working on a project where I need to shut down my device, when it finished it's task. I use an STM32L443 microcontroller to control the device. The circuit was designed, that if happens a falling edge o...

STM32F4 UART 16 bits speech data sending?

Posted on August 21, 2017 at 14:58I'am trying sending speech data between two STM32F4 board with. I take speech data from PCM buffer. But the data that in PCM buffer is 16 bits. I need to send this data with UART. I know that, UART data register is ...

H. Kartal by Associate II
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How to achieve maximum system clock (168MHz) in stm32f446zet

Posted on August 18, 2017 at 06:47RCC->APB1ENR |= (1<<28);PWR->CR |= (PWR_CR_VOS);               RCC->CR |= (1<<0);RCC->CR |= (RCC_CR_HSICAL_4);                                   // Internal high-speed clock calibrationRCC->CFGR |= RCC_CFGR_SW_HSI; ...

Pin PF0 as GPIO input doesnt work

Posted on August 23, 2017 at 09:56I'm using a STM32F030R8 and configured the pin PF0 as a GPIO-Input. But when i read the pin it is randomly 1 or 0. The code was generated with the CubeMX SW. When i try an other pin for exsample PB1 it works fine.Th...

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