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DCA1000EVM: 不显示AR

Part Number: DCA1000EVM
Other Parts Discussed in Thread: IWR6843ISK, UNIFLASH

我有IWR6843ISK,BOOST,DCA1000EVM想要进行ADC数据的采集,但是我的端口不显示AR,并且供电时DCA的5V灯正常亮,但是FTDI的灯不亮。

我看手册里说uniflash烧录时不能同时连XDS和FTDI否则会烧录失败,我不连时能烧demo,连了就提示COM报错,这是说明我的DCA没坏吗?

另外,DCA需要插内存卡才能显示AR吗,上述情况是我未插内存卡。