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Resolved! stm32f429 ethernet speed control

Hi,I want to make the system with stm32f4 series mcu. An important function of the system is to control the Ethernet speed.Is it possible to adjust the Ethernet speed with such detailed figures as 65Mbps, 38Mbps, and 300Kbps??If possible, how can I a...

inkong by Associate II
  • 1618 Views
  • 4 replies
  • 4 kudos

Resolved! STM32U5A9VJT6Q Power supply requirement

Hi I want to use the STM32U5A9VJ6Q_SMPS inbuilt chip in one of my projects. I plan to run the chip with 3.3V. Is it feasible to run at 3.3V for all pin functions?    

HPK by Associate
  • 381 Views
  • 1 replies
  • 0 kudos

L4+ detect ff ecc already set

Is there any known way to detect if a double word 0xffffffff value has been programmed? I’m not seeing any quick way, other than finding out after getting flash error bits set. The bootloader I’m working with checks the sector for all 0xff to avoid e...

_EFrie by Senior
  • 940 Views
  • 5 replies
  • 0 kudos

ADC Conversion Time STM32H563

ADC1 clocked @ 65 MHz, pre-scaler of 8, 7 channels active, 640.5 cycles/conversion, 256 oversampling, interrupts, scan mode. The numbers suggest all channels will be converted 1x in (8/65000000) * 640.5 * 7 * 256 = 141 ms. But when I look at uwTick b...

STM32U5 Flash Write Fails

Hi ,I am writing multiple chunk of each 48 bytes to Flash by following flash programming sequence mentioned in STM32 U5 Reference manual. However some chunks are written properly where some chunks are still remains 0xFF. Please let me know if anybody...

Resolved! How Do I set a Timer output compare high or low?

I am working on a project that uses a PWM on a timer to drive a buzzer.  When the buzzer stops I need to set the output compare signal high.  The timer set ARR to 250, and the compare value to 125, giving a 4kHz square wave with a 50% duty cycle.   I...

JMala.3 by Associate III
  • 997 Views
  • 3 replies
  • 0 kudos

stm32h7 ethernet not working

I made several changes in ethernetif.c  pbuf_ref(p); if (HAL_ETH_Transmit_IT(&heth, &TxConfig) == HAL_OK) { while(osSemaphoreAcquire(TxPktSemaphore, TIME_WAITING_FOR_INPUT)!=osOK) { } HAL_ETH_ReleaseTxPacket(&heth); } else { pbuf_free(p); } ////...

Trace on STM32H7

Dear All,I want to use trace on STM32h755So kindly let me know which trace/debugger has to use and what are the pins required. 

vchau.2 by Associate III
  • 370 Views
  • 1 replies
  • 1 kudos

Resolved! FDCAN2 Rx callback never called (STM32H750)

Hello,On my project, I use FDCAN1 and FDCAN2. FDCAN1 is working perfectly fine.On FDCAN2, I can transmit data successfully (with the CAN ID 0xBEEF), but when I want do receive data, the Rx callback is never called, nor the IRQ handler (the CAN ID fil...

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