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最近在使用SD24_A时发现在输入端短接情况下理论上输出寄存器里的值应该为0附近的值,但是实际情况是65470左右,会有一个负的失调电压存在,后用外部短接来校准ADC实际值。后发现MSP430AFE253中SD24_A是支持内部短接校准失调电压的,但是开发手册上并没有写任何关于这个操作,请问是不具备这个功能吗?如果有该怎么操作呢?