spi rpi

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  1. E

    Scaling down the SPI0 clock value on RPi 3B+/4B

    I have a custom STM32 MCU board that interfaces with an RPi 3B+ via the SPI protocol. The MCU (STM32F407) has its SPI peripheral clock set at 84MHz and is configured as a slave device. For reliable transmission, the Master (in this case, the RPi) needs to have its SPI clock at 1/2 value i.e, at...
  2. W

    Problem: Raspberry Pi to NXP MPC5744p over SPI

    Hello, I am currently trying to get SPI data transfer between the MPC5744p and a Raspberry Pi 4 to work. I'm using the SPIdev python toolkit to send the value 26 over to the MPC, using the attached SPItest.py script. To receive this, i've modified the code of the SPI_MPC5744P example to only...
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