STM32 MCUs Products

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I2C lines short with GND in STM32H745XIH6

Hello,I am using the MCU : STM32H745XIH6 in my currnet product from last couple of the years and it is working fine till.Recently, we face the issue in I2C line.I2C3 line connected with,Super capacitor Board through connector(there is I2C IO expander...

ABora.4 by Associate III
  • 1258 Views
  • 4 replies
  • 1 kudos

STM32G030 erratum 2.2.1 workaround is not reliable

Erratum 2.2.1 (Unstable LSI when it clocks RTC or CSS on LSE) indicates the following workaround:If LSI clocks the RTC or when the LSECSSON bit is set, reset the backup domain upon each VDD power up(when the BORRSTF flag is set). If VBAT is separate ...

DAlbe.3 by Senior
  • 3214 Views
  • 10 replies
  • 0 kudos

Memory Interfacing with STM32H753ZIT6

Hello Team, I  need to connect an external NAND flash with STM32H753ZIT6 controller.  What is the maximum capacity of NAND flash that can be interfaced with the FMC controller on the STM32H753ZIT6?   Thanks in advance

Resolved! STM32H7 TIM1 PWM Issue

I am attempting to use TIM1 CH1 to produce a 4MHz PWM with 50% duty cycle, to be used as a clock input to a knock sensor.  TIM1 is on the APB2 Timer Clock with I have configured at 200 MHz: To get a 4MHz frequency I have PSC = 0 and the ARR/Counter p...

Screenshot from 2024-06-06 14-08-56.png Screenshot from 2024-06-06 14-11-19.png Screenshot from 2024-06-06 14-13-13.png
dsurrett by Associate II
  • 2448 Views
  • 3 replies
  • 0 kudos

Timer with a relax period

HII need a simple timer that can make a PWM signal BUT with custom pauses or a relax period every number of pulses ... I have the code working very well with no relax , but I do not know how to write the relax period in the timer script itself...Here...

Search for the MCU

Hi,1, Im searching for an mcu which can handle a HS/FS communication(sends data to PC 50*8830bytes) with a PC, and an USB fs communication with a external 4 port hub. the hub will connect 4 stm's which sends data(1316 bytes) periodicaly and sincroniz...

RBacs.1 by Associate II
  • 801 Views
  • 2 replies
  • 0 kudos

Resolved! UART fired only once - STM32U5 Custom Board

Hello,I'm working with an STM32U5 custom board.I use the LPUART1 to read input with an interrupt as shown below and to write it back on the same LPUART1 :  void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { HAL_GPIO_TogglePin (GPIOA, GPIO_...

TV79 by Associate II
  • 1719 Views
  • 5 replies
  • 5 kudos