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8031单片机内部有一个128字节的内部数据存贮器,主要用于贮存程序执行过程中需要经常存取的一些数据,这个存贮器给使用者带来了极大的方便,但
The 8031 microcontroller has a 128-byte internal data memory, mainly for storing some data that needs to be frequently accessed during program execution. This memory brings great convenience to the user, however,