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TMS320F280025: TMS320F280025 ADC内部基准电压参考

Part Number: TMS320F280025
如下图,15.2.3.2 描述如果选择内部参考1.65V模式时,VREFHI会输出一个1.65V电压基准。我实际测量VREFHI确实也是1.65V.
那么在Table 15-2里,选择内部基准电压时VREFHI=1.65吗?如果是这样,ADCINy=1.65V时,ADCRESULTx=4096吗(假设VREFLO接地)?这个和选择1.65V内部参考基准时测量范围为0-3.3V好像矛盾。那么当ADCINy大于1.65V就满量程,ADCRESULTx怎么算?
请各位大侠给予指导