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手册上写了VCCA和VCCB支持1.2V到3.6V之间任意一种电压，那如果VCCA使用1.2V，供电电压允许的容限是多少，也就是VCCA(min)是多少？
供电最小也是1.2V，推荐条件里可以查到
VCCA和VCCB的供电电压范围都是1.2V~3.6V，所以最小就是1.2V
OK，谢谢两位的解答
