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Thread: XMC4700 SPI configuration --> QSPI Maximum Bautrate

  1. #1
    Beginner Beginner EbbeSand is on a distinguished road
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    XMC4700 SPI configuration --> QSPI Maximum Bautrate

    Hello Forum Member,


    To simplify I have left the remaining settings

    Code:
    
    	const XMC_SPI_CH_CONFIG_t SPI_U2C1_config =
    		{
    		  .baudrate = 72000000,                         // 72 MHz                  
    		};
    
    XMC_SPI_CH_SetTransmitMode(XMC_SPI2_CH1, XMC_SPI_CH_MODE_QUAD);   // Set QUAD MODE for SPI Channel
    XMC_SPI_CH_Init(XMC_SPI2_CH1, &SPI_U2C1_config);
    What is the maximum Baudrate for the USIC Peripheral when I used it as QSPI.

    PERIPHERAL / 2, or in my case 144 MHz(as a maximum frequency) / 2 = 72 MHz.

    Or I overlook something in the data sheet, which limits the maximum frequency..


    Best regards

    Ebbe Sand

  2. #2
    Beginner Beginner EbbeSand is on a distinguished road
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    Or I overlook something in the data sheet, which limits the maximum frequency..

    Again, my answer is yes and RTFM sorry that I send this question to you


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    An the answer is max. Fequency 30 MHz !!


    Please correct me if I am wrong or if you are nice you confirm my assumption

    Best regards

    Ebbe Sand

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