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ads1247 内部基准问题

Other Parts Discussed in Thread: ADS1247

ADS1247采用内部基准,请问MUX1 寄存器如何配置

     BIT7                 BIT6                    BIT5               BIT4             BIT3              BIT2              BIT1             BIT0

CLKSTAT          VREFCON1       VREFCON0     REFSELT1     REFSELT0     MUXCAL2    MUXCAL1    MUXCAL0

寄存器REFSELT 1:0   这个位如何配置 00:REF0 input pair selected

                                                         01: REF1 input pair selected

                                                         10: Onboard reference selected

                                                          11:Onboard reference selected and internally connected to REF0 input pair