• pdata usage
    Hi, I have used the Large data model. On compiling, Keil shows me the data and xdata usage - but not the pdata usage. My hardware has 512 bytes of pdata. Even if I move some data using the...
  • 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...
  • pdata, idata and xdata query
    Hello, I have an 8051 custom processor, this have a memory mapped like this: 16 banks of eeprom external memory of 32kB each one. The page 0 is mapped: 0x0000-0x7FFF. The other ones: 0x8000-0xFFFF...
  • array with pdata
    hello, i'm using AT80C31X2 uC. Keil V3.33 i've declared an array as follows: unsigned char pdata array_1[8][16]; i got an error code "error C241: 'main': auto segment too large" I've tried...
  • 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...