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USART1\u548cUSART3\u7684\u57fa\u672c\u4ecb\u7ecd<\/h2>\n

  USART1<\/h3>\n

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  USART3<\/h3>\n

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USART1\u548cUSART3\u7684\u533a\u522b<\/h2>\n

  \u5de5\u4f5c\u9891\u7387<\/h3>\n

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  \u7f13\u51b2\u533a\u5927\u5c0f<\/h3>\n

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\u603b\u7ed3<\/h2>\n

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