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字节序与Modbus通信-RZMPU工业控制教程连载(29)
寄存器数值是0x1234,先传输0x12,再传输0x34。 在Modbus寄存器中,对于一个由2字节组成的16数,在内存中存储这两个字节有两种方法:一种是将低序字节存储在起始地址为小端(Little-Endian)字节序;另一种方法是将高序字节存储在起始地称为大端(Big-Endian)字节序。
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