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32F417 SPI running at half the speed it should

Hello,I am using a chopped-down function from the Cube HAL code to talk to a serial FLASH. The original function has a mass of options which were checked at runtime - the usual thing for HAL code...It's all working fine. SPI2, 21MHz (the fastest I ca...

PHolt.1 by Senior III
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  • 25 replies
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How to develop a product?

How to develop an Embedded System around STM32 MCU from scratch efficiently on the first attempt? For Eg. Developing a system with ADC, CAN, RS232, SPI, I2C, UART around an ST Controller efficiently? Developing a system according to the product requi...

sanket47 by Associate II
  • 1590 Views
  • 10 replies
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Resolved! UART Transmission, Interrupt vs DMA

I am working on a project using UART communication and I have a question what is really different between interrupt mode and DMA mode in TX except for their underlying mechanism.(HAL_UART_Transmit_IT vs HAL_UART_Transmit_DMA)I know DMA uses the DMA c...

IJo.1 by Associate III
  • 2891 Views
  • 9 replies
  • 2 kudos