8051 serial communication-UART

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8051 Serial Communication-UART www.pantechsolutions.net

SERIAL COMMUNICATION WITH 8051

SERIAL COMMUNICATION <ul><li>Contrast and compare serial versus parallel communication </li></ul><ul><li>List the advantag...

BASICS OF SERIAL COMMUNICATION Serial versus Parallel Data Transfer

SERIAL COMMUNICATION <ul><li>Byte of data must be converted to serial bits using a parallel-in-serial-out shift register a...

METHODS OF COMMUNICATION

DIFFERENT TYPES OF TRANSMISSION <ul><li>Half- and full-duplex transmission </li></ul><ul><ul><li>if the data can be transm...

SERIAL COMMUNICATION Framing ASCII “A” (41H)

<ul><li>Data transfer rate </li></ul><ul><ul><li>rate of data transfer bps (bits per second) </li></ul></ul><ul><ul><li>...

<ul><li>RS232 standards </li></ul><ul><ul><li>most widely used serial I/O interfacing standard </li></ul></ul><ul><ul><li>...

PIN DESCRIPTION DB-9 9-Pin Connector IBM PC DB-9 Signals

<ul><li>Data communication classification </li></ul><ul><ul><li>DTE (data terminal equipment) </li></ul></ul><ul><ul><li>...

<ul><li>RxD and TxD pins in the 8051 </li></ul><ul><ul><li>8051 has two pins used for transferring and receiving data seri...

<ul><li>MAX232 </li></ul><ul><ul><li>converts from RS232 voltage levels to TTL voltage levels </li></ul></ul><ul><ul><li>u...

MAX 232 INTERFACE WITH 8051

DIFFERENT BAUD RATES Timer 1 TH1 Register Values for Various Baud Rates

<ul><li>Program to transfer data serially </li></ul><ul><ul><li>TMOD register is loaded with the value 20H </li></ul></ul>...

<ul><li>Program the 8051 to receive bytes of data serially, and put them in P1. Set the baud rate at 4800, 8 bit data, and...

<ul><li>s </li></ul>solution Solution:with XTAL=11.0592 MHz: Machine cycle frequency: 11.0592 MHz/12 = 921.6kHz, Frequenc...

<ul><li>Write a program to transfer the message “YES” serially at 9600 baud, 8bit data, 1 stop bit. </li></ul><ul><li>Do ...

<ul><li>#include <REG51.H> /* special function register declarations */ </li></ul><ul><li>#include <stdio.h> /* prototy...

For More Tutorials <ul><ul><li>www.pantechsolutions.net </li></ul></ul><ul><ul><li>http://www.slideshare.net/pantechsoluti...

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