XR16C854CQ-F

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Universal Asynchronous Receiver Transmitter (UARTs) is one of the interfaces for connecting peripheral devices to a computer system. The XR16C854CQ-F is a powerful multi-architecture UART controller solution that supports up to two channels of asynchronous Half-Duplex or Full-Duplex serial communication. It offers numerous features that make it the ideal choice for a wide range of applications.

Designed to operate on a 3.3V supply voltage, the XR16C854CQ-F comes in a compact 64-Pin Quad Flat No-lead (QFN) package. The UART controller supports data rates up to 3MHz, making it ideal for high-speed serial communication applications. It has an internal interrupt vector address register and two dedicated interrupt pins that allow direct connection to the interrupt input of a processor. The UART controller is fully programmable and can be used with various operating systems and processor architectures.

The XR16C854CQ-F offers a complete serial solution, providing simple, a dependable and cost-effective interface over a wide range of serial communication interfaces such as RS-232, RS-485, and Full/Half-duplex UARTs. Its two independent UART channels can be configured for different baud rates, parity check, and data size, thus offering flexibility for a variety of applications.

The XR16C854CQ-F\'s on-chip programmable FIFO feature makes it ideal for serial communication applications expecting high data throughput performance. Its on-chip programmable serial ports can be used to communicate between systems, remote the onboard processor systems, and enable the connection of external serial ports for point-to-point, multi-point, network, and cluster modes. This makes it suitable for applications ranging from industrial control systems and remote control systems to data acquisition and process control systems.

In terms of its working principle, the XR16C854CQ-F converts parallel data to serial data and vice versa. It receives data in a parallel input format and transmits it in serial format. Once the data is received, the UART controller performs various tasks such as it converts received data into parallel format and stores it in a FIFO or RAM memory buffer which is then transferred to the processor. The UART controller also supports various protocols, making it compatible with multiple devices and operating systems. In addition, it has an integrated watchdog timer, error correction, and infrared communication (for contactless data communication) as well as other convenient features.

In conclusion, the XR16C854CQ-F offers a high-speed and cost-effective interface over a wide range of serial communication interfaces. It provides data rates up to 3MHz, making it ideal for applications requiring high data throughput performance. This UART controller is designed for the development of embedded applications across multiple processor architectures and is suitable for a variety of applications ranging from industrial control systems and remote control systems to data acquisition and process control systems.

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