STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Ethernet MAC locks up when I flush the transmit FIFO

I have 2 boards, basically identical except one has PHY KSZ8091RNA and the other has KSZ8091RND.Both use the STM32F429NIH6.The only difference I can find in the two PHYs is that I need to set to set the REFCLOCK bit in KSZ8091RNA's PHYC2 register.  W...

Resolved! STM32F407 DMA1 Trigger Issue

Hi Folks, I'm working on pattern generation on GPIO pins and I've done it successfully using bare-metal programming approach. I used TIM1 to trigger DMA2 to take data from a buffer and send it GPIOA->BSRR.  But when I try to change the timer from TIM...

zd9797 by Associate II
  • 564 Views
  • 4 replies
  • 1 kudos

STM32F407 Flash ERASE/WRITE error only after boot

Hello,      on an STM32F407 I am experiencing a Flash Erase/Write error. The odd things is that it happen only the first time after boot, the following times after the error I can write with no errors. But, if I erase and write in the Init phase, bef...

MRaff.1 by Associate III
  • 292 Views
  • 2 replies
  • 0 kudos

Resolved! HAL_UART_Transmit USART_CR1_RE error

Hello everyone,I'm configuring a STM32L0 core board to connect to a module using AT commandAll the commands work fine but when I get to a given command (AT+MSG="123456"\r\n), they work only the first time and the second time it only sends ATfor examp...

husq by Associate
  • 786 Views
  • 2 replies
  • 3 kudos

Resolved! STM32F105VCT micro GPIO input thresholds

We are using STM32F105VCT micro in our product from many years.In the recent hardwares, we have seen that input logic level is changing only with 200mv change.When the input voltage to any port pin is crossing 1.5 we are seeing as logic level 1, when...

ADC with DMA

HI everybody,Using the STM32F103 series, I was able to configure a single channel with DMA and get ADC data, but I was unable to analyze any data or do any while loop calculations for the moment. I simply increased a variable to see if it was updatin...

Ss.111 by Associate II
  • 339 Views
  • 3 replies
  • 0 kudos

Resolved! STM32L431 power consumption.

Hello.We are using PA3 pin as input with pin pull up enabled.Power consumption of the board is around 36 microamps when pin is not connected to ground.But when we connect PA3 to ground we have current increase to 74 microamps.I think that we have som...