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mse · 2024-06-04

Hello,I need assistance generating a continuous 18MHz SPI signal without gaps between data transmissions using the STM32F303RE. Additionally, I need to be able to perform other tasks on the microcontroller simultaneously.I am using DMA in circular mo...

mse · 2024-06-05

ok but why with stm32f303RE it dosent work and with stm32f407 it work fine and both i use CubeIDE and by the way second question stm32f407 spi can up 42Mhz but by divider of 2 ( 42Mhz,21Mhz,10.5Mhz,5.25Mhz can i use custom speed between those value ...

mse · 2024-06-05

i do same test with stm32f407 stm32f407 discovery board it work with 21Mhz and i can blink 4 led in while loop what is difference why there is no gap in data in MOSI without gap so what is difference maybe input frequency bcp nucleof303re use only in...

mse · 2024-06-04

Hi thanks for ur reply, so in my case i want only generate data at 18Mhz(I have buffer of 511 byte ) in MOSI i don't use communication spi bcs i think it's better than use interupt at 40ns . IAM using nucleo board and cubeIDE as i said i want underst...

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STM32F303re SPI AT 18Mhz

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