This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

about high 128 byte ram of T89c51rc2 and 89s8252

i am using this two chips for my project.

and i find the the ram space(low 128 byte) is not enough.

How can i access the high 128 byte inside the chips?

can i use the "idata" to use it?

e.g. float idata x[10];

correct?