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UART Serial Communication Overview

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Basic Concepts: UART is a hardware IC for serial communication through serial port
UART can be standalone or integrated into microcontrollers
Communication uses TX (transmission) and RX (reception) lines
Data can be sent in simplex, half duplex or full duplex modes
Technical Specifications: Baud rate ranges from 1200 to 115200 bits per second
Data frames consist of start bit, data, parity bit and stop bits
RS-232 standard defines logical voltage ranges for different devices
Data flow control uses RTS/RTR lines for communication negotiation
Implementation in MikroC: MikroC provides UART library for MCU communication
UART initialization requires baud rate and basic configuration
Data transmission handled by UARTx_Write function
Data reception uses polling or interrupts for efficient processing
Debugging and Features: UART useful for logging received data
Debug UART should be initialized at higher baudrate
Multiple UART modules common in MCUs
Hardware flow control available for reliable data transfer