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TCAN4550-Q1: SPI时钟上升下降时间规格要求

Part Number: TCAN4550-Q1

你好:

 SPI clock frequency 最大可到18MHz,并且规格书要求SCK rise time和SCK fall time小于10ns,对于通讯速率只有3MHz的应用,这个上升时间和下降时间实测为35ns,这是否满足通讯要求,要如何改善这个问题。

谢谢。