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[原创] 请教I2C的SDA三态门。enable端口可以 always 等于0么? |
发表于 2012-12-26 22:26:36
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发表于 2012-12-27 08:57:22
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发表于 2012-12-27 14:57:18
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发表于 2012-12-27 16:40:31
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