STM32 MCUs Products

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Forum Posts

How to use both Display layers on STM32F469NI?

Posted on July 05, 2016 at 18:59Hello,I have the following problem: I want to use the background layer to display a background and the foreground layer to place lines above it, so that I can delete the lines without doing anything to the background....

mrxx99 by Associate
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How to clock while loop STM32F4

Posted on July 01, 2016 at 19:28Hi, I was wondering how I would go about setting up timing/clocking for the while(1) loop in the main of my program. I would like to set it up to be synchronized with the sample rate of the ADC, as right now the two d...

epalaima by Associate II
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  • 5 replies
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STM32L152 Exit from Stop Mode

Posted on July 01, 2016 at 16:55Hello,I'm having issues getting my device to wake from stop mode using the RTC wake interrupt. I'm using the tickless idle function of FreeRTOS v9.0.0 to place the MCU into low power mode and I'm using the RTC wake in...

s0071904 by Associate II
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STM32F439 RTC Problem

Posted on July 03, 2016 at 14:38Hello All,Micro-controller: STM32F439 With LSE(32.768 KHz)Standard Peripheral Driver Version: V1.6.1Problem: RTC routine StuckDescription:We are currently working on RTC and implemented the code as per available in st...

nipam by Associate
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  • 2 replies
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RTC time calculation in stop mode.

Posted on July 05, 2016 at 09:35 Hello, I'm trying to put my STM32F105 device into stop mode and it's important for me to keep calculating time. I'm trying to put system time into backup registers but then it somehow messes up my system. It seem...

marius1 by Associate
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  • 3 replies
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ST-LINK/V2

Posted on June 29, 2016 at 05:19In my systen, ST-LINK is working but in same environment ST-LINK/v2 is getting error. I am using STM32F utility for flashing my STM32F103ZET6, #too-vague

iftekhar by Associate
  • 755 Views
  • 5 replies
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STM32F4 FMC on non-multiplexed SRAM

Posted on June 30, 2016 at 11:55Hi,I plan to build a board with an STM32F446VE + IS66WV51216EBLLAs the STM32F446VE is a 100pin package, it does not offer non-multiplexed interface on the FMC.So I was considering using the FMC in multiplexed PSRAM mo...

Kuikui by Associate III
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  • 1 replies
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Losing timer compare interrupts

Posted on July 05, 2016 at 09:02 Hi, I try to setup two compare channels on TIM5 of a STM32F446 device to generate two independent time triggers. Both triggers have a frequency of approximately 8kHz but differ by a few timer ticks. Hence ...

how to config USB EP address instm32f407???

Posted on July 04, 2016 at 05:02In STM32F103,i use USB_EPnR to config endpoint address, e.g. I can config endpoint1 with adress 0x0a,so  endpoint1 can communicate with host endpoint10。 But in STM32F407 i don‘t find where to config endpoint adress,on...