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Resolved! Help me selecting the best microcontroller for my app

Hi!I'm looking for a uC that:It is Cortex-M0 or M0+,It isn't a Low Power device (L series) (no need to include Shottky diodes, and my app will be power hungry)It has internal EEPROM,32 <= LQFP <= 64,It has 20+ free pins,and the most important thing: ...

XR.1 by Senior
  • 1198 Views
  • 10 replies
  • 7 kudos

Another Microsecond Delay

NUCLEO-64 STM32L476RGSTM32CubeIDE 1.10.1 Trying to get a microsecond delay to work based on this post.APB1 Timer = 80 MHz from HSI->PLLCLK.TIM6 = 1 MHz (Prescaler = 79, ARR = 0xFFFF)My main (after MX stuff) looks like this and sets delay to 5000 us (...

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gb2835 by Associate II
  • 705 Views
  • 6 replies
  • 7 kudos

Resolved! USB endpoint limitations?

Hi there, I am trying to implement 3 CDC interfaces over USB. I'm using the USB stack generated by CubeMX, I enabled composite devices and call 3 times "USBD_RegisterClassComposite" in my "MX_USB_Device_Init".I am having troubles with endpoint number...

Resolved! Plug and Program Options

I am using the STM32H743VIT6 LQFP100. I am integrating it into a custom board and looking for the best (easiest, cheapest, fastest) way to program it. This will be in a setting where we would like to just plug in a programmer and hit program; however...

Resolved! RTC Not Working When Using VDD for VBAT on STM32L4

Hello STM32 Community,I’m encountering an issue with the RTC on my STM32L4 microcontroller. When I connect VDD to the VBAT pin (without using a battery), the RTC is not functioning. However, if I use a battery for VBAT, the RTC works fine.Here’s the ...

Sujith by Associate III
  • 2046 Views
  • 14 replies
  • 0 kudos

L431RC CANBUS Bootloader problem

Hello, I am a developer and I am using the L431RC chip on a custom board. I am using CAN BUS to communicate with the system, and during normal operation (via firmware), there are no communication issues,in fact, everything works quite well. However, ...

Fede by Associate
  • 360 Views
  • 1 replies
  • 0 kudos