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在设计DM368原理图时，没有用到SPI以及McBSP端口，这些端口默认情况下为input，设计时是否可以悬空？谢谢。引脚如下图所示
你好，
请参考：
http://processors.wiki.ti.com/index.php/DM36x_Schematic_Review_Checklist#Proper_termination_of_unused_peripheral_pins
http://processors.wiki.ti.com/index.php/General_Guidelines_for_Reducing_I/O_Power_Consumption#In_General
Thank you!
