• Assigning pin status
    Hi using the nrf24e1, in the datasheet it says to set a pin on a particular port to an input or output for example port 0 pin 1 to output: P0_DIR.1 = 0; but this doesnt seem to be recognised...
  • 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...
  • Raw Interrupt Status
    Can someone tell me the difference between the "raw interrupt status register" and the ordinary "interrupt status register" in ARM processor? Many on-chip peripherals have these raw interrupt status...
  • Missing interrupts and their 'pending' status
    Hi, I'm having some difficulties in determining when and how (external) interrupts remain pending. In the users manual for the XC167ci it states that hardware arbitration leaves interrupts pending...
  • DCD 80390 core support by Keil compiler
    I would like to understand how is the DCD 80390 family supported by the compiler. How is the code below 64K treated - is the assembly code generated uses 8051 or 80390 instruction sets? Is there is...