Problem with the Clock signal of the SPI interface

Embedded Devices NET+OS
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1

Hello Digi user, I has a problem with the Clock signal of the SPI interface. The flanks are not steeply enough. Thus I lose individual bit(s) at the beginning of a byte. Can I improve the Clock signal? Does someone have an idea?

Thanks

Marcus

2

What speed are you trying to run it at?

3

I could solve the problem, I have build resistors (120R) into the cables of the SPI interface, now the SPI interface work good. Thanks Mr. Kotasek.