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IWR1843BOOST: 当电路板设置为SOP mode 2 或 4 模式时,电路板DS1灯亮,SPI无法连接

Part Number: IWR1843BOOST
Other Parts Discussed in Thread: UNIFLASH

之前因为RS232连接不上的问题,使用UNiflash将芯片内容擦除过,但擦除之后虽然能连接RS232,但在设置为SOPmode2或4模式时,DS1灯亮红灯,请问这是什么原因?如果是硬件出错,应该怎么排除故障?电路板已经调整为SPI模式了。