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XR21B1424 Datasheet Enhanced 4-ch Full-speed Usb Uart

Manufacturer: Exar (now MaxLinear)

Overview: XR21B1424 Enhanced 4-Ch Full-Speed USB UART General.

General Description

The XR21B1424 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 operations.

Key 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.

XR21B1424 Distributor

Similar Datasheet

Brand Logo Part Number Description Manufacturer
MaxLinear Logo XR21B1424 Enhanced 4-Ch Full-Speed USB UART MaxLinear

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