• PDATA and XDATA
    If I use PDATA for my Stack. will any of my XDATA overlap? or is Keil smart enough to prevent that? Does it mean the RAM(XDATA) I have is 2048 - 256 for pdata? MCU: AT89C51CC03 Memory Model: Compact...
  • Usage of DATA, PDATA and XDATA simultaneously
    Hello, is it possible to write a program with the small-memory-model, to declare some variables as xdata and to declare an char array[256] of pdata? Best regards, Stefan
  • idata
    Hello, Q1: This is a part of my project code flow explanation. I want to allocate seperate memory location in internal data for the formal parameter local variable - lid. How is it possible using...
  • pdata paging
    Hello, I'm using a Cygnal C8051F020 that has a nice fat 8k SRAM and a nifty register EMI0CN that allows "paging" of the pdata segment into the 8k. 1) How do I get the compiler to accept the fact...
  • PDATA question
    I have not used PDATA before, so this may be a silly question. Can I set up PDATA dynamically (within the code) to any 256-byte chunk of xdata? So I can change where the PDATA is "looking" in xdata on...