SENo悬空了,这个引脚的默认电平是高吗?手册里面说的Serial programming interface enable pin for VCAo die (the VCA die corresponding to odd numbered inputs), activelow, (VCAo die)150-kΩ pullup. Rail reference = AVDD_1P9.这个上拉是内部实现的吗?
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SENo悬空了,这个引脚的默认电平是高吗?手册里面说的Serial programming interface enable pin for VCAo die (the VCA die corresponding to odd numbered inputs), activelow, (VCAo die)150-kΩ pullup. Rail reference = AVDD_1P9.这个上拉是内部实现的吗?
是的。 上拉是内部的。 但为什么SENo是悬空的? 需要对VCA ODD Die执行SPI 。