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RTX-51 in Actel core8051s

Hi,

I just want to know if it is possible to use keil operating system RTX-51 tiny in the Actel FPGA based core8051s.

I know in Actel core8051 (without the 's') can be used, but in the 's' version there are no internal peripherials and they must be connected throught the APB bus, mapped as XDATA (It is not possible to map a peripherial as an SFR in 's' version).

Because all this I think RTX-51 tiny will never run in core8051s as it need Timer 0.

Any chance to use an APB connected timer as RTX-51 timer?

Thanks in advance.

  • Are you sure that you actually need an RTOS at all?

    It might be possible to set up your own timer, and have it "manually" set the Timer0 interrupt flag...?

    You should probably contact Keil direct about this.