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Near Memory

The near memory area is in the address range 00:0000 to 00:FFFF, which is the first 64 Kbytes of the 251 memory. Part of the near memory resides within the 251 MCU and may be accessed very quickly using 16 bit addressing. The near memory area is represented at the assembly language level by the memory classes EDATA or ECONST. Variables stored in near memory are accessed using direct addressing.

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