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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External clock for Timer

Posted on August 19, 2014 at 13:45 Hi, We're using STM32F Trying to get Timer3/Ch 4 to count edges from a 24VDC fan tachometer to get Rpm. Done research through Reference manual and forum posts. Obviously I'm missing somethin...

optifier by Associate II
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strange interrupt behaviour

Posted on August 18, 2014 at 16:39Hi, I hope someone can explain this strange behaviour using interrupts on a STM32L151: I send out data via a UART using a software ring buffer. To know how much data are there to be send I use an integer counter var...

mmensch by Associate II
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stm32f429zı emwin issue

Posted on August 19, 2014 at 16:44  I include emwin and FreeRTOS library and write GUI_Init(); function. I want to see 'hello world' on LTCD but didnt. firstly, I saw white screen after display has turned black increasingly. I'm giving code below. I...

ceylan by Associate II
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HELP: FSMC on MCBSTM32F400 Keil evaluation board

Posted on August 18, 2014 at 12:24I'm using the Keil evaluation board (MCBSTM32F400) and i need help to understand how to use FSMC. There's NAND chip (MT29F4G08A) on board connected to FSMC but cannot find any examples how to use the controller with...

jarno by Associate III
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USB Disconnect circuit

Posted on August 19, 2014 at 13:45I've been looking through STM32 development board circuits to find the best way to connect the USB disconnect. I found the above circuit from the STM3210E-EVAL board, but all of the ST boards appear to have similar ...

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joe23 by Associate II
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STM32Cube MX (STM32F407G) HAL + FreeRTOS

Posted on August 14, 2014 at 18:46hi, I'm novice with  STM32CubeMX   HAL + FreeRTOS    with  KEIL  MDK-ARM ulink2 I have problems, with SysTick probably, HAL_RCC_ClockConfig, because it genere HardFault_Handler. When xPortSysTickHandler() in SysTic...

jose2 by Associate
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questions about FreeRTOS and interrupts

Posted on August 18, 2014 at 23:20Hello,First of all, In a PIC32 environment, I usually fix a value for the heap somewhere in the IDE project settings, do I have to consider this while working with Atollic and STM32F4 ?I am new to STM32 MCU's and I ...

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