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用430做的控制板过不了群脉冲测试

Other Parts Discussed in Thread: MSP430G2553

用MSP430G2553做了一个控制板,一个TM1640芯片用作显示,两个595用作显示和继电器控制,但就是过不了群脉冲测试,群脉冲一打上去,显示全乱了,继电器乱跳,触摸按键也不灵光了。一不打,就好了,我不知道问题出在哪?附件为原理图。

触摸按键控制器原理图.pdf