XR21B1422IL40-F

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The XR21B1422IL40-F is an interface controller developed by Exar Corporation that is purposely designed as a single-channel, low-power, low-voltage device for USB communication applications. This controller features two USB ports, two SPI ports, two general-purpose I/O pins, and eight GPIO ports. Other key features include a programmable RS-232 transceiver, two 16-bit analog-to-digital converters, two 32-bit IrDA transceivers, and a circular FIFO buffered serial port.

The XR21B1422IL40-F is a perfect solution for controlling the interoperation of USB devices, as it offers an economical solution for communication. This controller supports full-speed and low-speed USB peripherals in both host and peripheral operation and is backward compatible with USB 1.1 and earlier versions. The XR21B1422IL40-F integrates a powerful digital interface and a vast array of functions such as SPI, I2C, GPIO, and FIFO ports, allowing users to easily monitor and control USB devices. The device also supports computer and software control via host-initiated setup routines and memory organization.

The working principle of the XR21B1422IL40-F is straightforward. In both host and peripheral operation, the device receives and transmits data through the two USB ports. The SPI port is used for communication between the device and other devices, such as sensors, actuators, and other application-specific components. The I/O pins can be programmed to control the device\'s external functions or to send data or messages. The UART port is used for communication between the device and other systems, such as PC or other UARTs. The two 16-bit analog-to-digital converters can be used to measure and control the input or output voltage, while the two 32-bit IrDA transceivers provide a wireless interface for USB peripherals. Finally, the circular FIFO buffered serial port allows for quick data transfer between the device and other resources.

The XR21B1422IL40-F can be used in a variety of application fields, such as medical devices, data logging, embedded systems, industrial automation, and digital signage applications. Medical devices and devices used in the healthcare industry benefit from the device’s support for low-speed USB devices. Additionally, due to its low-power operation and a variety of interfaces, the XR21B1422IL40-F can be used in data logging and embedded systems, as well as industrial automation and digital signage applications.

In summary, the XR21B1422IL40-F is an interface controller with a low-power, low-voltage design that offers a range of applications across various fields. It has two USB ports, two SPI ports, two general-purpose I/O pins, and eight GPIO ports, as well as a programmable RS-232 transceiver, two 16-bit analog-to-digital converters, two 32-bit IrDA transceivers, and a circular FIFO buffered serial port. It offers an economical solution for communication and is backward compatible with USB 1.1. This controller can be used in a variety of applications, such as medical devices, data logging, embedded systems, industrial automation, and digital signage.

The specific data is subject to PDF, and the above content is for reference