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ads1259使用内部vref的问题

Other Parts Discussed in Thread: ADS1259

如题,我使用内部vref作为基准电源,但对ads1259进行读写操作时偶尔会丢失这个参考源。表现形式为数据寄存器读出数据始终为0x7fffff,不清楚什么原因。