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UPS communication mode 4: Universal Asynchronous Receiver-Transmitter (UART)
A Universal Asynchronous Receiver-Transmitter (UART) is a widely used serial communication protocol, mainly used for asynchronous data transmission between a computer and external devices. It plays an important role in embedded system, microcontroller, computer data communication and many other fields. Due to its simple structure, ease of implementation, and low cost, UART has become the basis for many communication protocols.
Main content
peculiarity
Simplicity: UART is simple in structure and easy to implement. It requires only a small amount of hardware (such as transmitters, receivers, and connection lines), making it a popular means of communication.
Low cost: Due to its simple implementation, the hardware cost of UART is relatively low, making it ideal for cost-sensitive applications.
Flexibility: UART can support a variety of baud rates and data bit combinations to adapt to different communication needs.
Asynchronous transmission: there is no need to synchronize the clock, simplifying the design of the communication interface and providing greater flexibility in the connection between devices.
Error detection: The parity check bit can detect transmission errors to a certain extent, improving the reliability of data transmission.
Application field
Embedded systems: In microcontrollers, UART is often used for data exchange with external sensors, modules (e.g. GPS, GSM).
Computer peripherals: Many computer serial communications (such as old printers, modems) are based on the UART protocol.
Smart home devices: In smart home systems, UART is used for communication between various controllers and devices. Industrial automation: In PLC and various industrial control systems, UART is used for data transmission between devices, supporting monitoring and control.
Automotive electronics: In automotive electronics systems, UART is often used for communication between the ECU and other devices.
CONCLUSION
UART (Universal Asynchronous Transceiver) is the preferred solution for many communication applications due to its simple design, low cost and flexibility. Although with the development of technology, many new communication protocols such as SPI and I2C continue to appear, UART still occupies a place in the fields of embedded systems, industrial automation and computer communication. With the rapid development of the Internet of Things and smart devices, the importance of UART will continue to be validated and play an important role in the field of data transmission and communication.
UPS BATTERY SERIES
UPS (Uninterruptible Power Supply) batteries are an important component of power supply systems designed to provide stable power support for electronic devices.
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