XR17V258IV

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UARTs (Universal Asynchronous Receiver Transmitter) are digital components used for asynchronous serial communication. The XR17V258IV is a member of the MaxIT UART family and is used as a high-speed interface to facilitate data exchange between microcontrollers, computer systems and other types of electronic systems. This article outlines the application fields and working principle of XR17V258IV.

Features and characteristics of XR17V258IV

The XR17V258IV is an 8-bit UART with an RS-232C physical interface and can interface with peripheral devices such as modems, printers, scanners, etc. The XR17V258IV consists of 256 addressable range of I/O ports, allowing for up to 16 channels of data exchange over a single serial wire. It is also able to support up to 5 extra channels when connected to a separate receiver. The XR17V258IV has programmable baud rates from 50bps up to 8Mbps and is designed for a wide range of applications such as industrial, automotive, medical and communication.

The XR17V258IV has an advanced DMA (Direct Memory Access) engine which allows for data to be exchanged between peripherals and memory efficiently and quickly. It has several different on-chip features to provide the most efficient data transfer possible such as on-chip FIFO (First In First Out), which is able to store up to 16 bytes of data at any one time. The FIFO is also protected against end-of-file (EOF) errors, meaning that data will not be lost during transmission. The XR17V258IV also includes a high-speed time-division multiplexing (TDM) feature which allows for multiple channels to be integrated without degrading performance.

Application fields

The XR17V258IV can be used in a wide range of industrial applications, from automotive data and infotainment systems to machine to machine communication and process automation. The wide variety and high programmable baud rates make the XR17V258IV suitable for a variety of industrial and automation applications. It is also suitable for medical devices such as ventilators, where high speed communication and precision timing is essential.

The XR17V258IV is also suitable for use in communication systems, where it can be used for data exchange between multiple devices. It can be used for exchanging large amounts of data between devices such as mobile phones, computers and printers as well as for sharing video and audio data. The XR17V258IV can also be used to connect telephony systems and networking equipment.

Working principle

The XR17V258IV uses an asynchronous serial communication protocol, which is a type of data exchange that uses start bits, data bits and stop bits. The data is sent asynchronously, meaning that the sending and receiving devices do not need to be synchronized in order to communicate. This allows for independent operation of the devices and faster communication time.

The XR17V258IV has two main components: a receiver and a transmitter. On the receiver side, the XR17V258IV is capable of detecting and receiving data over the serial line. It is able to decode the incoming data bits and store them in its internal memory or FIFO. On the transmitter side, the XR17V258IV encodes outgoing data into serial stream and sends the data to the connected device.

The XR17V258IV is also capable of performing various communication tasks such as parity and flow control. Parity is a technique used to determine the accuracy of data exchange between devices, while flow control is used to ensure that data is sent at a rate that is manageable and not too fast. The XR17V258IV can perform these functions by using signals such as RTS (Ready To Send) and CTS (Clear To Send).

Conclusion

The XR17V258IV is a versatile UART that is suitable for a variety of applications. It is capable of achieving high speed communication over a wide range of programmable baud rates and it is also able to support multiple channels of data exchange when connected to a separate receiver. Moreover, it also supports various communication tasks such as parity and flow control, making it an ideal choice for many applications.

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