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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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RTC weakup interrupt does not work

Posted on July 31, 2015 at 20:47I have used CubeMx to generate code for stm32f407Set RTC internal weakupand enabled the NVICbut the  RTC_WKUP_IRQHandler() never got called!code:/* RTC init function */void MX_RTC_Init(void){  RTC_TimeTypeDef sTime;  ...

USART test example project for stm32f100rbt6b

Posted on April 14, 2016 at 15:56Hi guys,I am new to embedded word.I just started working with STM32vl discovery board  using Keil uvision(MDK-ARM).I am not getting any example project for testing USART on board till now.Can any one provides me that...

RTC lost time after reset

Posted on October 01, 2015 at 14:14I've STM32f417IF. I try to user RTC. All Init code writed by STMCubeMX. Then i set date and time, but after reset RTC time clean again.RTC have own big capasitor and i just make reset, without poweroff.What is wron...

chief by Associate II
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Aplication note AN3322

Posted on April 14, 2016 at 15:35Hi, I have read this app. note:http://www.st.com/web/en/resource/technical/document/application_note/CD00293110.pdf  I would like to get more informations, source code, etc. In app note there says: ''it is possible ...

STM32F4 HSE Selection Help

Posted on April 13, 2015 at 23:22I'm working on a very space-constrained design for an STM32F405RGT6 that needs 48MHz for USB FS.  Ideally the crystal is a 3.2mm x 2.5mm footprint.  Availability suggests that 12MHz is a perfect HSE for my needs.  I'...

craig by Associate II
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SDRAM on STM32F429I with disabled 16-bit byte

Posted on April 13, 2016 at 12:37Hi,I am using a STM32F429I discovery board. I have a running project in which I can generate code from STM32CubeMX. I would like to disable ''16-bit byte'', because I need the pin PE0 as a clock source for TIM4 (ETR2...

smrtkai by Senior
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FMC SDRAM address,bank mem order - stm32f7

Posted on April 14, 2016 at 12:42Hi allAssume that I have SDRAM 13rowx10col is connected to stm32f7. I need to know the order of rows in conjunction with banks. Is physical address is calculated as follows: A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 ...

stm32f407 use emwin problem

Posted on October 16, 2013 at 09:30HiI just want change to MCU from f103 to f407 and change my ucgui code into emwin style, so there is problem i want to create a window to show i created it then call GUI_Exec(); in while (1) loopi found lcd init is...