XR16C854CVTR-F

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The XR16C854CVTR-F is a high performance, universal asynchronous receiver transmitter (UART) with 16 byte FIFOs and selectable function. It is based on USART core with integrated fractional baud rate generator, wakeup by address recognition and slave interface extension support.

The device has wide application in the field of serial data communications. It supports line speeds up to 2.5 Mbps, even at low voltage, and has full-duplex serial data links. It supports low frequency crystal oscillators (LFXO) and all standard serial formats, such as RS-232, RS-422 and RS-485, ensuring compatibility among various Serial I/O devices. Furthermore, the device supports nine modes of programmable operation and one external request mode.

Working principle of XR16C854CVTR-F UARTs, is similar to other UARTs. It has two data lines, one that transmits data from the device to another one, which is called the transmit line, and another for receiving data from the other end, that is the receive line. This receive and transmit data lines operate in asynchronous mode. UARTs also have a control line such as RTS, CTS, and DTR, which can dynamically set the direction of data flow.

The core of the XR16C854CVTR-F is USART. This USART includes the following built-in features: a combination of address recognition, slice oscillator, fractional baud rate generator, and wake-up interrupt. The USART also has an integrated 16-byte FIFO that can be used to store data and improve the communication efficiency. The USART supports 9-bit data format in which one bit is used as parity bit.

The XR16C854CVTR-F device can be configured to work in various communication modes, such as synchronous or asynchronous mode. In asynchronous mode, a start bit is sent before each data packet to inform the receiver that data is coming, followed by eight bits for data and one for parity bit, and finally one or two stop bits are sent. In synchronous mode, both the receiver and the transmitter stay in synchronization in order to know when the data is being transmitted and received.

For error detection and correction, the XR16C854CVTR-F has the ability to recognize parity, framing, and overrun errors, and to perform data checksum comparisons. It also includes the ability to send and receive flow control commands. Lastly, the device supports an external request mode, which allows devices connected to the UART to request data and command the transmitter to respond with data.

In summary, the XR16C854CVTR-F is a high performance, universal asynchronous receiver transmitter (UART) device that is capable of line speeds up to 2.5 Mbps and full-duplex serial data links. It supports various communication modes such as synchronous or asynchronous mode, and has an integrated USART core with integrated fractional baud rate generator and 16-byte FIFO, making it ideal for various applications such as serial data communications and automated data processing.

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