XR16M698IQ100-F

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UARTs (Universal Asynchronous Receiver Transmitter) are a key component in serial communications. While their basic function is the same, there are distinct differences that differentiate one UART from another. The XR16M698IQ100-F is a UART from Exar, one of the leading providers of analog and mixed-signal integrated circuits. In this article, the application field and working principle of the XR16M698IQ100-F will be discussed.

Applications of the XR16M698IQ100-F

The XR16M698IQ100-F is a half-duplex UART that is designed to support a wide variety of applications. Such applications include, but are not limited to, embedded device control, wireless data transmission, industrial automation systems, automotive, digital data interchange and point of sale terminals. This UART supports a wide range of communication protocols, such as Universal Asynchronous Receiver-Transmitter (UART) protocol, Inter-Integrated Circuit (I2C) protocol, Serial Peripheral Interface (SPI) protocol and RS-232/V.25bis protocol, making it ideal for a diverse range of applications.

In addition, the XR16M698IQ100-F is compatible with a wide range of microcontrollers, making it a suitable choice for multi-vendor, multi-protocol scenarios. Furthermore, it supports a number of features that make it an ideal choice for engineers and developers. These features include wake-on-ring, auto-flow control, hardware handshaking, and FIFO buffering which provide significant performance gains over the traditional UART.

Working Principle of the XR16M698IQ100-F

The XR16M698IQ100-F operates on the half-duplex UART protocol. This means that the device is able to both transmit and receive data but cannot do both simultaneously. The basic working principle is the same for all UARTs, in which data is transmitted asynchronously. Asynchronous communication allows data to be sent without the need for a common clock signal between sender and receiver.

When using the XR16M698IQ100-F, the sender is responsible for transmitting the correct data rate, as well as the start and stop bits, while the receiver is responsible for decoding the data, detecting the start and stop bits and then verifying that the correct data rate has been sent. To ensure successful transmission, the sender and receiver must agree upon the same data rate and transfer the data in the same manner.

There are several features on the XR16M698IQ100-F which increase its performance and capabilities. The device features a 128-byte FIFO buffer which allows for more efficient data transmission when compared to non-buffered implementations. In addition, the XR16M698IQ100-F provides support for hardware handshaking, allowing for reliable communication between devices. Additionally, the device features an auto-flow control, allowing for the negotiation of data transfer between devices.

Conclusion

The XR16M698IQ100-F from Exar is an excellent choice for anyone looking for a reliable and efficient UART. Its support for various communication protocols, as well as its wide range of features makes it an ideal choice for a variety of applications, ranging from embedded device control to wireless data transmission. Furthermore, the device’s half-duplex UART protocol makes it simple to both send and receive data without needing to worry about the complexities of synchronous communication.

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