The necessity of using dedicated hardware for peripheral interfacing.
The architecture and programming features of the chip 8255.
The method of interfacing an ADC to the 8086.
The methods of generating different waveforms using a DAC.
The way in which an LCD can be used to display ASCII characters.
The principle of the stepper motor and how it is controlled by the CPU.
Hex keyboard interfacing to the 8086.
The interfacing of dynamic multiplexed LEDs with the 8086.
That in all the above cases the 8255 is used as the parallel interface controller.
Introduction
In Chapter 6, we made a study of the hardware features of 8086. In Chapter 7, the methods by which memory and ports are ...
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