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dm368 按键失灵



你好,我用DM368做项目,我发现平时使用正常,但是当dm368板温度升到大约55度以上时,按键按下不起作用,当用酒精给368降温时按键正常,请问DM368本身是宽温芯片,按键理论不会失控,还是需要特殊处理?

谢谢!!!