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专家您好！
我用的是OMAP3530处理器，想控制其GPIO输入输出，但是我测量其输出为1.8V，而我的外设是3.3V，请问我如何将OMAP3530设置为3.3V的GPIO。或者我直接连接3.3V外设，对处理器会不会有影响？谢谢！
加level shift驱动3.3V
