STM32 MCUs Products

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Forum Posts

Getting started with IDW01M1

Posted on February 17, 2018 at 02:41Hello everyone, i am trying to start with X-Nucleo expansion board IDW01M1 on top of the Nucleo F446RE. Since i am junior developer it is really hard to build a project and get on track without any tutorials. I se...

RTC alarm incrementation for event between a period

Posted on February 17, 2018 at 20:26Hey everyone, I have an alarm enabled and want my RTC to increment the timer to trigger an Alarm every ten minutes between 8 am and 5 pm. I've set the following code as I don't think there's a method provided by H...

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Dfuse problem, B-L072Z-LRWAN1

Posted on June 16, 2017 at 10:27Hi.I am testing with the ST Discovery Lora Kit, B-L072Z-LRWAN1.Dfuse Demo (v3.05) does not download firmware properly.The error message is shown below.The following image is the contents of the option byte.There is no...

0690X00000607NfQAI.png 0690X00000607NpQAI.png 0690X00000607NzQAI.png

RTC register write strangeness, F429-446

Posted on February 17, 2018 at 02:53/******************************* Unlock and set clock sources **********************/PWR->CR = (1<<8); //Disable Backup Domain write protectionRCC->BDCR |= RCC_BDCR_RTCEN;    //RTC clock enabledRCC->BDCR |= RCC_BD...

CubeMX 4.23.0 bugs NUCLEO-H743ZI

Posted on October 25, 2017 at 18:27Hi guys.1.)I already mentioned a bug in the previous CubeMX release.Enabling Ethernet CubeMX reservesPB12 for ETH_TXD0andPB11 for ETH_TX_ENand writes the wrong settings in ethernetif.cBut it must be:PG13 for ETH_TX...

Resolved! jtag connectivity to custom board based out of stm32f7

Posted on February 15, 2018 at 20:30Hello we have a customized having stm32f769bitb MCU. i am able to connect JTAG in hotplug mode but when im trying normal and other mode i m getting error as 'cant reset the core'. also i tried connect under reset ...

Resolved! Which register selects the clock input to a STM32F303K8

Posted on February 16, 2018 at 19:22The clock diagram in RM0316 for the 32F303K8 indicates a clock selection mux off the APBx prescalers. I've searched the registers and cannot find the register used to select one of 4 clock inputs. The 4 possible i...