LPC1817 SPI Clock delay issue

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LPC1817 SPI Clock delay issue

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chase_lin
Contributor I

I got SPI clock issue in SPI 8 bits mode. Does anyone know any configuration for reducing delay of clock ? I would like to make clock continuously. Thanks.

chase_lin_2-1630487025869.png

 

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FelipeGarcia
NXP Employee
NXP Employee

Hi,

Unfortunately, there is no register for configuring delay between transfers. Is SSEL pin kept low between transfers? Please not that if you are using SPI format with CPOL=0,CPHA=0 requires SSEL set to 1 between transfers in continuous transmission.

Best regards,

Felipe

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FelipeGarcia
NXP Employee
NXP Employee

Hi,

Unfortunately, there is no register for configuring delay between transfers. Is SSEL pin kept low between transfers? Please not that if you are using SPI format with CPOL=0,CPHA=0 requires SSEL set to 1 between transfers in continuous transmission.

Best regards,

Felipe

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