• XDATA variables
    I have the following variable declaration: float xdata voltage _at_ 0x08E2; When I assign a value and try to print if I always get 0.0: voltage = 25.5; printf( "Volatage: %#5.2f", voltage...
  • How to access the XDATA
    My external EEPROM (I2C) is AT24C32. In our code the XDATA is about 400Bytes. How to seperate the Code (program) memory and Data memory, how to access the XDATA.
  • xdata access, how ?
    Dear sir, i am is a student in physic department,i use uVision IDE for 8051 ver 6.20c, build a single board computer, with core is AT89S52,one Dallas RTC 12C887,and an 8255 PPI, both (RTC & PPI) connected...
  • GARBAGE DATA IN XDATA VARIABLE
    Dear All, I am getting garbge value, in my xdata variable. I am using c8051f021 controller with internal xdata of 4K.I do not understood why such problem occurs suddenly. Whether this is because...
  • Global xdata variables
    Hi! I have a problem with global xdata variables. In main.c I have the following code to make two global arrays. unsigned int xdata fordonsnummer[100] _at_ 0x000; unsigned int xdata tomvikt[100...