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dlp3010中dlpa3000工作异常问题

Other Parts Discussed in Thread: DLPA3000, DLPC3478

您好,最近基于dlpc3478与dlpa3000设计了一块控制板,在使用中,存在如下问题:

连接dmd,上拉proj_on,dlpa3000D输出的VOFS,VRST,VBIAS均错误,为0V或者0.5V。其余电压无论proj_on拉高还是拉低,均能产生3.3v,1.1v,1.8v,2.5v,5v,5.5v电压。

请指教该问题出现的原因