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Forum Posts

SPI transmition stop after first 4bits

Hello I'm using trying to access to an external flash through the SPII try to send 5 bytes, my SPI transmit function work well if I put some delay (1us) between each byte, if I don't put this delay transmission start and stop just after 4bits.green -...

andre239955_stm1_stmicro_0-1744810925721.png andre239955_stm1_stmicro_1-1744811271887.png andre239955_stm1_stmicro_2-1744811441425.png

Help with STM32U0 RTC not running wanted

Hello,probably I miss something, but  I have searched long enough so things start to get unclear.I have set up RTC on STM32U0, so I expect is to be running. But ist does not free running:<(gdb) mon sTarget voltage: 3.24VAvailable Targets:No. Att Driv...

STM32G474 FDCAN tx buffers

Since the description of the FDCAN controller in the reference manual ofthe STM32G474 was not detailed enough, I looked around for more Informationand found the Application Note AN5348 ("FDCAN peripheral on STM32 devices ").But that didn't make me fe...

ULehm.1 by Associate III
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  • 4 replies
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Increase Rx FIFO0 and FIFO1

Hi,I'm using the FDCAN2 of the STM32G474VET6 for a project and I need to reshape the RAM Message memory in order to adapt it to the FDCAN Classic.Actually the configuration of the RAM Message, by default, is written for FDCAN. So I have the following...

MAmem.1 by Associate III
  • 824 Views
  • 1 replies
  • 0 kudos

SPI Configuration (bare metal-stm32h743)

I am trying to code the stm32h743 for spi communication and i can't seem to transmit. I am using PA5 as SCK and PD7 as MOSI. I read the procedure required that is in the reference manual (49.4.9 https://www.st.com/resource/en/reference_manual/dm00314...

NBlac by Associate III
  • 2349 Views
  • 8 replies
  • 1 kudos

STM32F334 HRTIM WITH BAD BEHAVIOR

Posted on November 26, 2015 at 17:56Hi,I'm experiencing a very bad behavior of HRTIM.if output set register is set on Period and output reset register is reset on CMP1.if CMP1 = 0x20, the PWM output is a narrow pulse as expected. but if the CMP1 < 0...

Asantos by Senior
  • 2113 Views
  • 10 replies
  • 8 kudos

Resolved! STM32H5 transmit/receive raw IEEE 802.3 ethernet frames

Hi,Thanks in advance for your attention.I'm wondering if any examples are available about transmit and receive raw ethernet frames.The examples in STM32CubeH5 use the TCP/IP stack NetXDuo and transmit packets built on the upper layers of the stack an...

LU by Associate
  • 2979 Views
  • 5 replies
  • 4 kudos