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WKUP pin with internal Pull-Up

Posted on July 19, 2017 at 12:42I'm working with the STM32F769, and I want to configure the pin PA0 to wake up the MCU from Standby. The problem is that the board needs a Pull-Up in the pin to be able to detect the pulsation.The sequence that I foll...

STM32l053R8 standby mode with RTC wake up

Posted on July 25, 2017 at 09:43Hi,           I'm trying to configure the wake-up time period for the stm32l053 discovery board in standby mode . From my understanding of the datasheet provided, Internal RTC works with LSI (38 KHz) & It cannot be va...

LRPS_92 by Associate II
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Resolved! Why does Nucleo's PA 3 terminal show 3.3 V with ADC

Posted on July 25, 2017 at 01:56Thank you for your patronage. I'm Japanese student. Sorry for my poor English.I'm using STM32F334Nucleo.Nucleo's PA 3 terminal indicates about 3.3 V in ADC in a situation where nothing is connected.On the other hand, ...

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Ken Inoue by Associate III
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70F6, can't configure RCC for use with USB

Posted on July 18, 2017 at 23:12 Hello i'm using CUBE 4.22 and i keep getting a conflict (see jpg bellow). when i click the checkbox USB->Device (FS), the TIM1 says ''!'' and shows several conflicts. and when i click on the Clock Configuration tab,...

0690X00000603xKQAQ.jpg

EXTI, while(1) use stoping

Posted on July 23, 2017 at 13:02I use STM32F103C3void EXTI9_5_IRQHandler(void){  /* USER CODE BEGIN EXTI9_5_IRQn 0 */ while(1){  HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_10);  HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_11);  HAL_Delay(1000); }  /* USER CODE END E...

30F4: TIM16 one-pulse mode not working

Posted on July 25, 2017 at 05:08hello can someone look at this code and figure out what's wrong with it. it's supposed to flash an LED for 10 seconds. but it don't. the LED doesn't come on. it will come on if i use a delay loop, but not with TIM16.G...

HAL or register programing

Posted on July 25, 2017 at 03:34I am studying STM32 but when I was studid Atmega 128 , used a open gcc compiler that was register based programingbut, STM32 is HAL Based Funtion programingso, I don't really know looking for Datasheet and referencegu...

LIS3MDL

Posted on August 16, 2016 at 15:01Hello folks, I am trying to obtain temperature value from LIS3MDL magnetometer as I need it to see the magnetic field variation based on temperature. But the temparature values are not seem to be correct. I am divid...

Resolved! I connected the +5v pin to the ground pin by mistake

Posted on July 21, 2017 at 12:02i have stm32l152c- discovery board. i connected the +5v pin to the ground pin and now it seems work on very low power mode and ld1 not lit up and ld2 , ld3 and ld4 lit up very weak. pc not recognize the board. what ca...