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大家好 ，现在用2808，请问下2808上电时候内核和外核，掉电时内核与外核有没有要求？比如先上内核后上外核。。。谢谢
对于F280X系列的DSP供电是没有上下电的顺序要求的。具体的供电方案请参考：
http://www.ti.com/analog/docs/refdesignovw.tsp?familyId=64&contentType=2&genContentId=34813
另外在F280X的数据手册中第106页对供电时序也有进行描述，请查看
http://www.ti.com/lit/ds/symlink/tms320f2801.pdf
