• 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...
  • 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...
  • XRAM usage in AT89c51rc2
    Hi all, I'm using at89c51rc2 by atmel and keil uvision2. Programming in C. i might have some problem when accessing the 1024 bytes of Xdata (available on chip). Some variables are being corrupted...
  • 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...
  • Simulator support for on-chip XRAM
    I have an 8032 based mC with on-chip XRAM that can be enabled/disabled through an SFR. When enabled, accesses to the first 256 of external memory (bank-0) refer to the on-chip XRAM. Does the simulator...