Xdata is a form of storage, which is stored in an external data memory (64k bytes).

Operate through MOVX @DPTR.

Others include memory types: code, data, idata, bdata, far, pdata.

For example, the statement:

Char data var1;

Char code text[] = "Input parameter:";

Unsigned long extended data array [100];

Unsigned character extended data vector [10] [4] [4];

Floating-point idata x, y, z;

Unsigned int pdata dimension;

Char bdata flag;