• on-chip xram
    hello everyone, i am quite new to programming 8051..hoping to receive some help.. i have a pointer variable.The address stored in this variable resides in the on-chip XRAM. unsigned char xdata...
  • On chip XRAM confusion
    So let me see if I have this straight. To use the 2Kbytes On chip XRAM (accessed as XDATA memory space) on a ADuC831, I need to 1) Copy START_AD.A51 into my project folder 2) Add this file to my project...
  • W77IE58 On Chip XRAM Problem
    Hi All, I am using Winbond W77IE58 chip. When i am using xdata variable as global variable, i am getting some junk data. (i.e) I have declared a char array unsigned char xdata test[] = "TEST CHARACTERS...
  • On-Chip XRAM Usage Problem
    Hello, We have an application running on DS89C450. We link the compiled objects by means of LX51 advanced linker and 'Linker Code Packing' of the linker is enabled with the optimization level of...
  • XRAM and peripherals on ED2 chip
    Hi guys, I'm hoping someone has been here before and can help me out with this. I've got a big pile of code that runs nicely on the AT89C51ED2 chip. But I'm running low on variable space, so thought...