XR88C681CP/40

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Universal Asynchronous Receiver Transmitters (UARTs) are widely used serial communication integrated circuits for carrying out asynchronous data transmission. The XR88C681CP/40 is a type of UART that is manufactured to provide cost effective and easy to use serial interface solutions. This article will provide an overview of the XR88C681CP/40 application field and working principle.

Application Field

The XR88C681CP/40 UART is designed to be used in a variety of products and applications. It can be used in a range of computer peripherals, such as keyboard interfaces, modems and portable devices, as well as in medical and automotive electronics. The XR88C681CP/40 has a small footprint and can easily be incorporated into a device’s design.

The XR88C681CP/40 UART is generally used for providing an interface between two different systems. It allows a simpler data exchange by converting serial data into parallel data, and vice versa. This is useful for sending data over long distances without the need for complex wiring.

Working Principle

The XR88C681CP/40 UART works through a process of asynchronous data transmission. It converts serial data into parallel data and transmits them over a communication channel. The receiver then converts the parallel data back into the original serial data.

At the sender side, the XR88C681CP/40’s serial interface receives two bits of data from the sender. It then divides them into two bytes and stores them in an internal register. The UART then waits for the recevier to acknowledge the two bytes, before releasing them for transfer. The two bytes are then placed in a shift register, which is connected to the receiver’s parallel port.

At the receiver side, the XR88C681CP/40’s parallel interface receives the two bytes and stores them in an internal register. The UART then waits for the sender to acknowledge the two bytes before releasing them for processing. The two bytes are then shifted out of the shift register and converted back into the original serial data.

In addition to providing asynchronous data transmission, the XR88C681CP/40 also supports multiple data formats, such as parallel synchronous, serial synchronous, and asynchronous. It also supports a variety of data transfer protocols, such as RS 422, RS 485, and RS-232. The XR88C681CP/40 supports both 5V and 3V logic levels for greater compatibility with a large range of devices.

The XR88C681CP/40 UART is a cost effective and easy to use serial interface solution. It enables the transfer of serial data over long distances and is suitable for a wide range of applications. It has a small footprint and is built to last as it utilises 5V and 3V logic levels for greater compatibility.

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