STM32 MCUs Products

We have recently bought STM32F103VCT6 and have the below findings: - DARK, DEEP LASERING ON LOGOS ON CHIP TOP BODY MARKINGS. SEEMS TO BE BURNT MARKINGS. -GHOSTING ON BACK OF PARTS SHOWING THEY WERE STACKED Please advise if this is normal. Thanks!

UART DMA transmit and receive along with IDLE line detection

Hello,I'm trying to implement a UART DMA data transfer in STM32F429. I face the following problem.I'm using custom-made Python to receive and transmit data over the serial port. I am sending an unknown number of bytes from my computer to MCU. So, I'm...

what is the pupose of Burst size in Dma setting in ADC? Then increment on memory which will be increment (is my variable). i have Go through all the application note on dma.some what i got understand but not in a lucid way and with confidence.

why increment option in burst size

Some issue to entered and resume from low power mode by using CAN interrupt.

Hi All,I am new in development of controller run in low power mode and resume, I used the STM32F072RBT6 microcontroller. In my code CAN Peripheral with extended data frame( 1 Byte data) format and three timers are used.Now, The requirement is when...

STM32G071C8T6 and USART3

Hi All,I don't managed to send char on USART3 with the attached project.I was wondering if someone had already detected issue in using USART3 Thanks in advance

Inconsistent CK_TIM18.. usage in reference manual

In the reference manual STM32H7 (version July 2018) in chapter 37.1 - figure 343 for the clock source it says "CK_TIM18 from RCC".Problem: If I look for "CK_TIM18" in the complete manual, this name appears ONLY ONE TIME, here in this chapter 37.1 fig...

STM32_PVD_need to set the reference Voltage

Hi i am using stm32H750VB as the IC for my project.I need to detect sudden power shutdown .I.e., i need to use PVD mode for detecting the sudden drop in voltage and save the EEPROM Contents.I need to use PVD using external analog voltage PIN RB7. But...

how to count pulses per interval

I want to count the number of pulses that occur in an interval controlled by a timer. I want to trigger the timer and the counter simultaneously. How can I do that?