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TMS320F28034: 程序已开始就进入ILLEGAL_ISR.发现是因为IO口初始化的原因。请问为什么IO口初始化会影响程序进入到ILLEGAL_ISR

Part Number: TMS320F28034

添加 GOIO_Init();后就很容易进入ILLEGAL_ISR.删掉后就没有问题。