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判斷題

串行口有3種工作方式。

答案：錯誤

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串行口的控制寄存器有串行控制寄存器SCON和電源控制寄存器PCON。

答案：正確

80C51串行口包括兩個(gè)數(shù)據(jù)緩沖器、兩個(gè)移位寄存器、串行控制寄存器和定時(shí)器。

答案：正確

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