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求助:利用K1_STK_v1.1里的UART例程调试时不能进串口接收中断



按例程中的代码测试DSP6678,却无法进入串口接收中断。观察IER寄存器中断使能了,但IFR寄存器一直没有变化,为全零。PC计算机一直在向DSP发送0x55,波特率115200