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我画了一个了±Vref输出模式，但是给数据0x0000h的时候，给的是0V，给0x8000h时，输出为+1.21V。所有数据都是0V-+Vref模式。帧同步信号、数据信号都正确。请知道的指导一下，谢谢！
输出是正常的呀, 难道你还希望输出负电压不成?
仔细看看手册吧
手册上这种接法就应该是有负电压。
