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...
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...
Does Keil simulator fix pdata on on-chip XRAM page 0 if on-chip XRAM MCU present?

I build a C51 program and want to show someone else how the pdata variable is stores in C51. The result seemed there exit some problem. I found if I select non on-chip XRAM such as Philips P89C51, the...
Does Keil simulator fix pdata on on-chip XRAM page 0 if on-chip XRAM MCU present?

I build a C51 program and want to show someone else how the pdata variable is stores in C51. The result seemed there exit some problem. I found if I select non on-chip XRAM such as Philips P89C51, the...
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...