• problem of DS5250 xdata varibles in interrupt service routine
    sorry my english is poor... i use c51 v7.00 compiler to develop program on DS5250 . when i use xdata variables in ISR, i find them not work well. for example, a xdata varible and a idata variable...
  • DS5250 debbuging problems
    I'm trying to debug Dallas DS5250. All it's in a simple program but when I introduce the timer0 interrupt the debugger lost communication with the target and the interrupt is not serviced. Wich could...
  • DS5250 configuration
    Hi All! Have a situation with dallas' DS5250: Keil configuration: Memory Model - Large variables in XDATA Code ROM size - Contiguous mode 512kB User segments: ?PR?MYFUNC?MYFUNC (C:140H) I'd...
  • RTX51 and DS5250
    Hi, I have RTX-51 V 5.x, 9-MAY-1996. I am having trouble running it with Dallas DS5250 in contiguous mode. Can I work with RTX? If not is the new RTX capable of it? Thanks, Joao Martins...
  • DS5250 setup with Keil compiler
    I've set up a DS5250 project with the Keil compiler. It automatically adds a copy of startup390.a51 to the project. But startup390.a51 includes reg390.h. Isn't that incorrect? Shouldn't it include reg5240...