STM32 MCUs Products

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LSERDY is asserted even if oscillator is not connected

I am using stm32F746. I have enabled the RTC via external oscillator using CubeMX.The crystal is not connected. But I see that RTC is initialized without errors (no timeout) and LSERDY is 1. Manual says LSERDY is 1 when external oscillator is running...

load2005 by Associate III
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  • 6 replies
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Loading FW to STM32 IoT Discovery Kit

Hi there,I got stuck at the most basic step but couldn't find a step-by-step guide to get through it. Any pointer to a guide for me to follow is appreciated.I am trying to download a built FW to my STM32 IoT Discovery kit. However, when i connect m...

CLiu.0 by Associate
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  • 1 replies
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afe4300 and stm32f103rb, rdy pin unchanged

Posted on May 23, 2017 at 12:04Hello,I have a problem in getting the ti AFE4300 start the ADC measurement. I started with a new board that was designed using reference design on TI. Am trying to communicate with the board through an stm32f103rb(nucl...

I try to use hard ecc of stm32f767igt under U-Boot,but i test my code ,i found could only write one page by one page under command of U-Boot,

I try to use hard ecc of stm32f767igt under U-Boot,but i test my code ,i found could only write one page by one page under command of U-Boot,then i will get the right ecc value when i ready after i will one page ;but when i write two page or more, i ...

SmartCard example for STM32H7

HI, I am trying to implement smart card reader on this chip. I got the ATR from the card, and tried to port AN4800_FW_V1.0.0 examples but without success. Do you know when some example for this chip will be avaliable?

larenge by Associate II
  • 1237 Views
  • 8 replies
  • 2 kudos

Resolved! USART bare metal programming fail to send data - STM32L4R5ZI

I am new to embedded programming and trying to learn ARM with my STM32L4 board. I stick to the datasheet and stay away from HAL library to learn how the MCU and its peripherals work. Here I am trying to initiate USART3 and send a line using "printf" ...

KHuyn by Associate II
  • 1838 Views
  • 11 replies
  • 0 kudos

Resolved! Calling a function by it's address not working

Using a STM32F0 discovery board, I have this function:void BlinkBlue(void) { for (int i=0; i<20; i++) { HAL_GPIO_WritePin(LD4_GPIO_Port, LD4_Pin, GPIO_PIN_SET); HAL_Delay(50); HAL_GPIO_WritePin(LD4_GPIO_Port, LD4_Pin, GPIO_PIN_RESET); H...

NNar by Associate II
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  • 2 replies
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How do I use a timer to wake up from sleep on the STM32F405RG

I hope I posted in the right spot. I'm using a STM32F405RG cpu. I can't figure out how to sleep and wake up using the timer. The code I found online uses 'pwr_enter_standby_mode()' which may affect the reason why I can't wakeup. I see in RTClock.h th...

AOIjd by Associate
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  • 0 replies
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STM32L0 ADC+TIM

//Enable ADC1 begin =========================================================================================================================================== RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; __NOP();   ADC1->CR = 0; //off ADC   //ADC interru...