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Why incorrect working RTX Full v5.0 and XRAM within AT89C51RD2 ? Thank You, Hi.
It would be nice if you can explain your problem a bit more... regards Dejan
If you using RTX51 Full & AT89C51RD2 with internal XRAM, linker generated instructions that not using "far" variables into XRAM for modul RTX51. Modul RTX51 required External RAM outside 8051 and !
There is no difference between XRAM and external RAM other than the fact it is physically located in the same package. All you have to do is ensure that the EXTRAM bit in the AUXR register is set correctly. Stefan