STM32 MCUs Products

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Resolved! LPUART no output

Hello,I am programming an STM32WB55CGU6 on custom PCB. I'm using the LPUART1 peripheral according to the datasheet and reference manual, but at the transmitter pin (PA2) I'm not seeing any traffic. It's just stable at about 3.3V. There is a led at PC...

JS8 by Senior
  • 774 Views
  • 2 replies
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How to: STM32F103C8T6 in a PCB design?

I'm a beginner so bear with me:I am making a calculator with a STM32 Blue Pill and would like to create a PCB so that the calculator can be decently compact. I am unclear on some things though. Is it normal to place the entire Blue Pill in a PCB desi...

Jordan1 by Associate
  • 1257 Views
  • 1 replies
  • 1 kudos

Resolved! HAL Function CRC Accumulate != Re-Init and Calculate

I have gotten the following code to correctly validate CRC's, so I know I have configured the CRC correctly: uint32_t calcCRC = 0; hcrc.Instance->INIT = 0xFFFFFFFF; calcCRC = HAL_CRC_Calculate(&hcrc, (uint32_t*) pointer, length); calcCRC = HAL_CRC_Ac...

astral256 by Associate II
  • 1992 Views
  • 3 replies
  • 3 kudos

Ethernet Communication

Posted on February 20, 2013 at 06:33I am using STM32F107RB for Ethernet Communication. If i am using only one STM32F107RB module there is no problem but when i connect two modules to two different systems via modscan32, one of the module responds pr...

aru by Associate II
  • 2423 Views
  • 15 replies
  • 0 kudos

STM32H7R3 and DMA speed

I want to use fastest STM32H7R3 at 600MHz clock.I need to use 60Mbytes/s short term DMA transfer from GPIO data 8-bit bus to RAM (about 1kbytes stream), driven from external clock, with up/down external clock slope (30MHz external clock with upslope ...

wadi by Associate II
  • 653 Views
  • 1 replies
  • 1 kudos

Resolved! STM32F103VET6 boot problem

Hi,I want to use PB3 an PB4 pins as SPI1. When i use st-link and debug my code, it works. but when i plug-off st-link it seems that mcu can not boot. I use the codes below for jtag disable , but it does not work. Any advise for my problem? GPIO_InitT...

er3481 by Senior
  • 1016 Views
  • 4 replies
  • 2 kudos

Low power using ST-Link to Power Nucleo-144

I trying to program a nucleo-144 L496GZ-P board which has been split from the st-link. I've connected the SWD pins as instructed in the user manual (SWD1 -> 3v3, SWD2 -> SWCLK (CN11 P15), SWD3 -> ground, SWD4 -> SWDIO (CN11 P13), SWD5 -> NRST (CN11 P...

froggiee by Associate
  • 375 Views
  • 0 replies
  • 0 kudos