What is key debouncing? Explain the operation of 8279 as keyboard. 3. What are the features of 8279? 4. Draw the functional block diagram of 8279 IC and explain its all three input modes. 5. Explain the scanned sensor matrix mode of 8279.
|Title||:||Microprocessor 8086 : Architecture, Programming and Interfacing|
|Publisher||:||PHI Learning Pvt. Ltd. -|