• how to use 80390 MDU?
    In Keil IDE , i open arithmatic accelerator. But when I compile it. Will display this message. I seem that need some lib. How can I do? *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL...
  • Using DCD to create a "global variable"
    Hi All, Please bear with me, I'm new to ARM/Assembly and just trying to get to grips with how to use it. I have a jump table currently set-up like this ProcTable DCD Proc1 DCD Proc2 DCD Proc3 EndTable...
  • modem status interrupt on DCD pin
    Hi All, I need to generate an interrupt on DCD pin . How can I do this for null modem ? I shorted pins 1, 4 and 6 of the port and trying to toggle bit 0 in MCR register and enabled bit 3 in IER...
  • Using DCD or DCW instruction in Inline Assembly
    I want to write an inline assembly code, where I want to put some constant data, after the end of the code. This data is referenced from the code. If I am using DCD instruction or DCW instruction, compiler...
  • Does ULINK2 support R8051XC core with uVision4 ?
    ULINK2 seems to support 8051 core. Does ULINK + uVision4 configuration can be used for R8051XC core ? Thanks