How to Access 16MB of the Aduc812

How do I access 16MB XDATA of the Aduc812 in the old version keil compiler ?
How to Access 16MB of the Aduc812

How do I access 16MB XDATA of the Aduc812 in the old version keil compiler ?
How to generate an DAC funktion with the ADuC812

My analog input range for the ADC is 0 to Vref. (Vref = 2.5 volts). So i need an c- program that can boost my output voltage of the board in 0.5 volt steps every 0.1 seconds. The baudrate should be...
How to generate an DAC funktion with the ADuC812

My analog input range for the ADC is 0 to Vref. (Vref = 2.5 volts). So i need an c- program that can boost my output voltage of the board in 0.5 volt steps every 0.1 seconds. The baudrate should be...
ADC ADuC812

How to regulate the frequency of sampling when I use the ADC of ADuC812. Thank you for your assistance.