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6455上电次序

zz zh
Prodigy 40 points


1.看到DSP6455DATASHEET上说,电源DVDD33要比CVDD12先上来,为什么跟一般的次序相反?

2.如果DVDD33和CVDD12同时上,或CVDD12先于DVDD33上,DSP6455能不能正常工作?