• 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...
  • how to access on chip and off-chip XRAM of p89c51rd2 in c
    how to access on chip and off-chip XRAM of p89c51rd2 in c
  • 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 Question
    Dear Sir, It may be a simple question. I am using Atmel AT89C51ID2 for the development. The MCU having 256 Bytes Scratch Pad RAM and 1792 bytes on-chip XRAM, totally 2048 bytes of RAM. I am using...