XR17V254IV-F

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The XR17V254IV-F is a digital Universal Asynchronous Receiver Transmitter (UART) from Exar, offering several advanced features and up to 10 Mbps data rates. It is used for serial communication applications, such as connecting two devices for data transfer. The XR17V254IV-F is designed for short-range, point-to-point communication, and it is suitable for a variety of applications, such as industrial automation and control, medical instrumentation, and consumer electronics. It is a cost-effective and reliable solution for asynchronous data communication.The XR17V254IV-F UART is a full duplex device with two operating modes, synchronous and asynchronous. In synchronous mode, it can operate at higher speeds, but requires clocking information from both sides of the link. In asynchronous mode, the UART provides a more flexible and cost-effective solution, as no clocking information is needed. Both modes have independent receive and transmit channels.The XR17V254IV-F supports half-duplex, one-way communication, allowing a single device to communicate with multiple nodes. The UART supports both non-return to zero (NRZ) and return to zero (RZ) encoding schemes. It is also capable of handling parity and multiprocessor communication.The addition of Exar\'s patented V-Scaler architecture ensures high-speed data transmission, while reducing the power consumption of the device. The V-Scaler provides up to 10 Mbps data rates, with only 0.22 mW per Mbps.The XR17V254IV-F UART has a large 64-byte FIFO buffer, which accommodates both small data packets and large data sets. This helps to improve overall system throughput, as well as reduce the load on the microcontroller. It also supports multiple levels of interrupts, allowing for more efficient use of processing power.The XR17V254IV-F also includes an advanced data flow detection system, which allows system designers to detect conditions such as error, parity, and buffer thresholds. This system helps to reduce network latency and enables more efficient flow control.In addition to its features, the XR17V254IV-F also offers various modes of operation and signal conditioning. These include sleep mode, wake-up, and signal conditioning. In sleep mode, the device is disconnected from the system and can be configured to wake up after a specific time interval. Wake-up mode allows the device to wake up and monitor the activity on the line, while signal conditioning helps to reduce signal noise.Overall, the XR17V254IV-F UART is a feature-rich, cost-effective solution for asynchronous, point-to-point communication. With its advanced features and low power consumption, it is an ideal choice for a wide range of applications.

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