STM32 MCUs Embedded software

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Resolved! STM32H747IIT6 ETHERNET RMII PROBLEM

Hello,I am using the STM32H747IIT6 microcontroller along with the LAN8742A Ethernet PHY, configured in RMII mode. However, I am facing issues where the Ethernet interface is not working at all in my circuit. It appears there may be multiple bugs or c...

KAnahar by Associate III
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  • 5 replies
  • 1 kudos

Resolved! ETH on STM32H743 with Zephyr

Dear,I'm trying to use the ETH with Zephyr RTOS 3.5.99. It was built the samples/net/dhcpv4_client sample, however, I tried to build others examples from samples/net/socket, such as echo and echo_client, but was impossible.I would appreciate it if an...

USART_WakeUpFromStop1 leads to lost characters

While experimenting[*] with the USART_WakeUpFromStop1 example on my NUCLEO-L496ZG I noticed that repeatedly entering STOP1 mode leads to dropped character if running with a baudrate > 4800 bps. I'm using STOP1 mode in a different project and I hoped ...

BErik.1 by Associate III
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  • 9 replies
  • 0 kudos

DMA Interrupt not trigger

here i generate pulse using pwm generation.. where i need to stop at n th pulse.. so i use RCR register to stop it..where my mcu handle only 8 bit data to the RCR register.. so i split the data into array "RCR_Data" and stores as source destinationi ...