XR21B1420 Datasheet (Exar) - Enhanced 1-Ch Full-Speed USB UART

XR21B1420, Enhanced 1-Ch Full-Speed USB UART

The XR21B1420 is an enhanced Universal Asynchronous Receiver and Transmitter (UART) bridge to 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 wakeup opera

XR21B1420 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

* 512-byte TX and 512-byte RX FIFOs