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SPI Master RXWNE never sets at high speed

Hi ExpertsI have a situation with STMH7 as a master on the SPI3 bus with two slaves (both RM44),I am using polling on master and chip select lines to select individual slaves. Problem is at speed greater than 5 Mbps the RXWNE flag never sets and code...

DGupt by • Associate III
  • 1316 Views
  • 4 replies
  • 2 kudos

STM32H747 QSPI Flash Dual mode wrong R/W data

I am using QUAD SPI in STM32H747 in dual mode. 2 x W25N01GV flash memory chips are connected. The problem is that the odd data (bank 1, flash 1) is written / read normally, and the data of the second bank (flash2) is shifted by 4 bytes (in the first ...

STemWin and Graphics, anybody got it working?

Right now I'm trying to get StemWin working on an F767 nucleo board with an SPI interface to an ILI9341 320 x 240 display. The hardware works.  I have a graphics system I developed that's working fine, but I wanted to try to go cross platform.Segger'...

Resolved! How to Spot Fake STM32 MCU.

I recently got trouble after my STM32F103CB (128KB/20KB) started to misbehave. I ask few guys but seems no answer. Is there any way one can detect loosely cloned STM32 MCU?​

APatr.1 by • Associate
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  • 5 replies
  • 1 kudos

STM32H7 pin related query

Hi,I am using STM32H743ZIT6 in my design but due to the availability issue I am planning to use STM32H723ZGT6 as it is a P2P compatible.I have the below queries related to the UART and SPI:For UART :Can RS485 be used with USART ?For debug UART3 in 72...

Sandeep1 by • Associate II
  • 1495 Views
  • 5 replies
  • 0 kudos

Resolved! Define ISR as weak using CubeMX LL Drivers

Hello,For efficiency reason I need to use only the LL, so I enable the LL flag in the CUBEMX configuration.I would like to have the ISR defined as __weak, so that I can write my own version without replacing manually the ISR.I know that using HAL dri...

w25q128jv

I want to read and write to w25q128jv with stm32l5 octo spi insted of quad spi.. is there anybody help me. ı could not write correctly.. and ı could not erase. correctly. first problem is when ı was write whiel start addres 0 my code write start to t...

Snm.1 by • Associate III
  • 8272 Views
  • 10 replies
  • 4 kudos
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