【单选题】【消耗次数：1】
关于串行接口的表述不正确的是（ ）
①
串行通信在一条线路上逐个传送所有比特
②
串行传输方式给发送设备和接收设备增加了额外的复杂性，因为发送方必须明确数据发送的顺序
③
如果串行通信的双方在比特的顺序上无法取得一致，则数据的传输将出现错误
④
由于串行通信的收发只需要一条传输信道，比较便宜又宜于实现，所以适合近距离传输使用。
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