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CC2530: cc2530在2V供电和3.6v供电的时候。多大的压差能触发边沿中断

Part Number: CC2530

你好,

1、请问CC2530在2V供电的时候,IO口在输入模式的情况下,几V以下算低电平,几V以上算高电平?

2、请问CC2530在3.6V供电的时候,IO在输入模式的情况下,几V以下算低电平,几V以上算高电平?

3、测试中发现,CC2530在3V供电的情况下,P0_5作为GPIO输入口,跳变沿触发中断模式。采样到信号由0V变成了1.2V,却触发不了中断,那么请问要0V变成多少V,才能触发跳变沿中断?