XR88C681CJTR-F Integrated Circuits (ICs)

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The XR88C681CJTR-F is a microcontroller manufactured by XR Micro. It\'s an 8-bit microcontroller with features supporting a variety of interfaces, including UARTs (Universal Asynchronous Receiver Transmitters).

The XR88C681CJTR-F microcontroller supports both asynchronous and synchronous operation on UARTs, meaning it can be used for full-duplex point-to-point communications. The microcontroller is designed for applications with high-speed data transfer requirements, such as those used in communications, automotive, and industrial automation.

The XR88C681CJTR-F microcontroller includes an integrated UART module, which supports standard baud rates up to 115200 bits per second (bps). The UART module also supports full-duplex communications, allowing two serial ports to operate simultaneously. In addition, the microcontroller includes two interrupt lines, suitable for handling UART-based interrupts.

The microcontroller also includes a number of features that support UART communications. The on-chip oscillator and power-on reset circuitry ensure reliable communication. The microcontroller also features a low-power standby mode that can be used to reduce power consumption when idle or during low-activity communication periods. The built-in watchdog timer helps ensure reliable communication by monitoring for and resetting the microcontroller if an error occurs.

The XR88C681CJTR-F microcontroller is designed for applications that require data reliability, flexibility and low power consumption. Its support for UARTs makes it ideal for use in data-intensive applications, such as those found in automotive and industrial automation systems.

The working principle of the UARTs in the XR88C681CJTR-F microcontroller is based on asynchronous communication protocol (also known as the serial communication protocol). In asynchronous transmission, data is transmitted one bit at a time, each bit having its own clock signal. The data is sent and received in the form of multiple bytes, where each byte is composed of a start bit, 8 data bits, and an optional parity bit and stop bit. The start bit marks the beginning of a data frame, while the stop bit marks the end. The parity bit is used for error checking and helps ensure that the received data is accurate.

The XR88C681CJTR-F microcontroller can be used in various UART applications, including data transfer, remote control, time synchronization, and data logging. Its on-chip UART module offers high data transfer rates, providing reliable communication for applications that require speed and accuracy. In addition, the integrated power-on reset circuitry and low-power standby mode make it suitable for applications with low-power requirements.

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