S32K118 CAN的pin引脚默认配置是如何

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S32K118 CAN的pin引脚默认配置是如何

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xiaobaby22
Contributor I

Hi, 我在使用S32K118中遇到了一个问题,就是在Bootloader时候,TX会出现下拉情况。想知道FlexCan在未初始化的时候。CAN的TX和RX引脚的状态是如何的?这个在S32芯片手册未看到相关定义。以及CAN初始化了,但是未对引脚进行配置。这个时候TX和RX的状态又是如何?

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PetrS
NXP TechSupport
NXP TechSupport

Hi,

once CAN function is selected within respective port PCR register, then TXD becomes high to serve recessive level and RXD is input, which is driven by connected transceiver.

BR, Petr

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