Executing program from XRAM

Is is possible with the 8051 architecture to copy a program or function into XRAM and execute it? Or do the separate code/data address spaces prevent this? What I'm trying to do is to write a boot...
Executing program from XRAM

Is is possible with the 8051 architecture to copy a program or function into XRAM and execute it? Or do the separate code/data address spaces prevent this? What I'm trying to do is to write a boot...
XRAM - From 89C51RC2 to AT89C51RD2

I have a running project with the micro 89C51RC2 I changed it to AT89C51RD2. The main difference is the XRAM on chip - 89C51RC2 has 1K (0x3FF) while the AT89C51RD2 has 1.79K (0x6FF) To be able to...
how to read from xram?

i have interfaced 64 k sram succesfully. i can read & write into it using XBYTE instruction for ex. XBYTE[0X0000]='P'; rval[0]=XBYTE[0x0000]; my problem is i know only this two instrucion .suggest...
how to read from xram?

i have interfaced 64 k sram succesfully. i can read & write into it using XBYTE instruction for ex. XBYTE[0X0000]='P'; rval[0]=XBYTE[0x0000]; my problem is i know only this two instrucion .suggest...