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DM6446 GPIOV3的高电平问题



按照资料要求我给DM6446的F10、F11、F12、F13已经接了3.3V的电,这几个管脚就是给GPIO54-70用的并且这几个管脚做GPIO用时电平应该是3.3V的,但是现在我测量3.3V的GPIO口高电平只有1V左右高电平,DSP的其他的1.8V GPIO输出高电平是1.8V没错,现在不知道是哪里出了问题,是不是我的理解错误,这个GPIOV3[0:16]做GPIO用时高电平不是3.3V?多谢指教!!