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用IO口模拟SPI时,IO口上拉输出和推挽输出驱动都没影响



如题,我用的NRF24L01,123GLAUNCHPAD.因为当初玩的时候就就用的模拟SPI,在LM4F232上模拟是可以通信的,结果放到这launchpad上就没用了,已查电路没错,IO引脚配置如图

求解答,当初配置按键输入时上拉输入就没用