STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Questions about sending RTL8720DN server messages

I made a wifi server with RTL8720DN and connected it to hercules client to send and receive messages, but I can't send them​It worked well to make it a client, send and receive messages from the server,It's a problem sending it to the serverI don't k...

ark2 by Associate III
  • 664 Views
  • 0 replies
  • 0 kudos

How to find reason for hard fault , very rarely occurring ?

the "system" is a audio player, decoding (in float) MP3 stream, output on I2S to a DAC;cpu H743 , at 200MHz, i/o by DMA1 , stream coming from ESP8266 wlan radio.system ok, running ...maybe 1..3 hours, then hang up:just now got it first time, still in...

0693W00000WHVrDQAX.png 0693W00000WHVsfQAH.png 0693W00000WHW13QAH.png 0693W00000WHW1DQAX.png
AScha.3 by Super User
  • 1899 Views
  • 5 replies
  • 0 kudos

Stop mode in stm32L552

Hi all,I am using stm32L552CE. When I enter stop mode or sleep mode, the current is too high (5mA for stop mode, 18mA for sleep mode). /* Enable PWR clock */  __HAL_RCC_PWR_CLK_ENABLE(); HAL_Delay(5000); printf("Go into stop mode\r\n"); /****** Suspe...

kkid.1 by Associate
  • 1159 Views
  • 3 replies
  • 0 kudos

STM32G071 Push Pull PWM and Fault Pin

Hi,I​ have control H-bridge with 4 IGBTs . PWM Topology : Push Pull Mode PWM Frequency : 10KHz to 100KHzDead Time : 2.5usDuty Cycle : 0% to 50%Emergency Stop : 2 Fault Pins for Individual ChannelsHow to achieve below wave with STM32G071 MCU and STM32...

0693W00000WHUFNQA5.png

STMP32H7 UART1 RS422 DMA Rx not functioning but Tx works.

Have STPM32H7 CPU running in 108 Mhz, and UART1 pull off PLL3 @50 Mhz, set baud rate at 3375000 with 8x oversampling rate.Do see the Tx signal by DMA (303 ns each baud ) out to device and replied with about 302 ns baud, signal is clean on the scope, ...

CWang.16 by Associate
  • 468 Views
  • 0 replies
  • 0 kudos