XR21B1421 Datasheet (Exar) - Enhanced 1-Ch Full-Speed USB HID to UART Bridge

XR21B1421, Enhanced 1-Ch Full-Speed USB HID to UART Bridge

The XR21B1421 is an enhanced Universal Asynchronous Receiver and Transmitter (UART) bridge to HID class USB interface.

The USB interface is fully compliant to the USB 2.0 (Full-Speed) specification with 12 Mbps USB data transfer rate.

The USB interface also supports USB suspend, resume and remote wa

XR21B1421 Features

* ±15kV ESD on USBD+/USBD

* USB 2.0 Compliant, Full-Speed (12Mbps)

* Unique pre-programmed USB serial number

* Internally generated 48MHz core clock

* Enhanced UART features

* Baud rates up to 12 Mbps

* Fractional Baud Rate Generator

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