Draw the control word format for 8253 timer with proper description of each field - Design a system to explain the digital data transmission using modem

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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- Draw the control word format for 8253 timer with proper description of each field


- Design a system to explain the digital data transmission using modem
 

- Write the mode instruction format required to program the 8251A USART for asynchronous transmission with 8 data bits, 1 1/2 stop bits, odd parity. and transmitter clock frequency is 19200 Hz and transmit data at 1200Bd. 

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