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用MSP430F5529硬件spi方式驱动一个spi的液晶,可以正常显示,但是按键却无法进入中断,我的相同程序在msp430f2553中是正常的,这是什么原因造成的?
经过排查问题,用模拟spi方式驱动就没有任何问题,我想知道根本的原因。