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XR21B1421

The XR21B1421 is Enhanced 1-Ch Full-Speed USB HID to UART Bridge designed by Exar.

Product Overview

Exar

📥 Download Datasheet

XR21B1421 Enhanced 1-Ch Full-Speed USB HID to UART Bridge by Exar - Datasheet Preview — Datasheet preview – XR21B1421

Datasheet Details

Part number	XR21B1421
Manufacturer	Exar
File Size	387.20 KB
Description	Enhanced 1-Ch Full-Speed USB HID to UART Bridge
Datasheet	XR21B1421-Exar.pdf
Additional preview pages of the XR21B1421 datasheet.

Product details

Description

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

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.
Auto Hardware / Software Flow Control.
Multidrop and Half-Duplex Modes.
Auto RS-485 Half-Duplex Control.
Selectable GPIO or Modem.

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Published: Sep 2, 2016 |