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I2C multibus on alternative pins howto or is possible?

I ask for this , but any other same alternative use.i set primary I2C on PB10,11 as on image an reserve PA10,11 and PF0,1My plan is use alternative AF as I2C switch similar as IC PI4MSD5V9540On PF pins is device on 5V I2C . In code i try add to one I...

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MM..1 by Chief III
  • 941 Views
  • 7 replies
  • 1 kudos

STM32F429ZIT6 SPI Receive Issue

Hi everyone,I'm currently using the Nucleo F429ZI development board to test SPI Receive, and I've encountered the following two issues:I use the HAL_SPI_Receive() function, when I config the SPI frequency to a slower rate, I've observed that the CS s...

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Scarlet by Associate III
  • 656 Views
  • 4 replies
  • 3 kudos

Resolved! STM32G0 Reference Manual Typo (ADC-Oversampler)

RM0444 (Rev. 5 Nov 2020 - should be newest): Chapter 15.8 Oversampler: "N is defined using the OVFS[2:0] bits": this should say "OVSR[2:0]" bits. Chapter 15.12.3: Register ADC_CR Note for AD_EN: "set ADEN only when all bits of ADC_CR registers are 0"...

flyer31 by Senior
  • 446 Views
  • 1 replies
  • 0 kudos

Resolved! Setting up HSE on NUCLEO-H743ZI2 Development Board

Hello, I want to use the HSE of the NUCLEO-H743ZI2 development board. I tried to set it up according to the instructions in the user manual using MCO from STLINK-V3E.Here's my setup:However, when I checked STLinkUpgrade, I found that the HSE is set t...

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HMsDobby2 by Associate III
  • 813 Views
  • 5 replies
  • 8 kudos

STM32H7B3I-DK UART and WIFI connection

Hello everyone!I'm working on a project where I want to transmit some data to the cloud using the STM32H7B3I-DK board. However, I've encountered difficulties in establishing serial communication with this board. I've tried enabling SPI communication ...

User1340 by Associate II
  • 936 Views
  • 3 replies
  • 0 kudos

STM32 Muxed FMC reference schematic

Hi,I'm working on a hardware design using the STM32F765VIH and I am trying to connect a MT28EW128ABA1HPC-0SIT NOR Flash and IS66WVH16M8DBLL-100B1LI PSRAM to the FMC in muxed mode. I'm struggling to understand how the muxed connection should be made a...

gosal by Associate III
  • 1146 Views
  • 5 replies
  • 0 kudos

ADC with DMA and 3 Channels

i'm trying to get a 3 channel dma up and running on my u5, but unfortunately i keep getting the error handler at line 122 that the a/d can't start via dma. do i need to do something additional here or not? i've already clicked through some posts and ...