The decoders will then check the received address three times continuously. //译码器要连续检查3次收到的地址码, If the received address codes all match the contents of the decoders local address,//如果收到的所有地址码都和本地的地址码 匹配 the 12N bits of data are decoded to activate the output pins and the VT pin is set high to indicate a valid transmission. 12/n位的数据就被解码,激发输出引脚以及vt引脚设置为高电平指示 一个有效的发送数据. ------------------------------------------------------------- 所以说最少要发三遍
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