
上面两幅图是我msp430f2618的键盘与管脚的原理图,我写了个最简单的程序,
,然后接上万能表,测试P1.0的电位(所有的键位都按了一遍),为什么得到的总是高电位呢
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上面两幅图是我msp430f2618的键盘与管脚的原理图,我写了个最简单的程序,
,然后接上万能表,测试P1.0的电位(所有的键位都按了一遍),为什么得到的总是高电位呢