Transcript of Design and Synthesis of Universal Asynchronous Receiver and Transmitter (UART) Using Verilog HDL...
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- Design and Synthesis of Universal Asynchronous Receiver and
Transmitter (UART) Using Verilog HDL Prepared by: Engr. Qazi Zia,
Assistant Professor EED, COMSATS Attock1
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- What is UART A serializer and de-serializer An interface
between a serial data channel and a machine that works on parallel
data format. There are different types of UARTs having different
architectures, coding schemes and clocking schemes. The simplest
UART is a computer MODEM Prepared by: Engr. Qazi Zia, Assistant
Professor EED, COMSATS Attock2
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- MODEM MODEM has the capability to convert Parallel data into
Serial and Serial into Parallel. A MODEM on transmitting side is
controlled by the host machines clock and on other side the
receiving MODEM is clocked by its host machine, so both are
asynchronous. MODEM represents text data in American Standard Code
for Information Interchange (ASCII). In ASCII format each alphabet
is encoded by 7 bits augmented by parity bit. The parity bit is use
for error detection. A start bit at LSB and a stop bit at MSB is
concatenated with the 8 bit (7 bit data plus a parity bit) words
for transmission. Prepared by: Engr. Qazi Zia, Assistant Professor
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- Operation A host processor fetches a data word in parallel
format and directs the UART transmitter to transmit this data in
serial format. The UART receiver detects the transmission, receives
the data in serial format, removes the start and stop bits and
stores the data in parallel format into its host machine. Prepared
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- THE END Prepared by: Engr. Qazi Zia, Assistant Professor EED,
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