XR28V382 Dual Universal Asynchronous Receiver and Transmitter

Exar offers the XR28V382 for the Intel Low Pin Count (LPC) bus interface

Image of Exar Corporation's XR28V382 Dual Universal Asynchronous Receiver and Transmitter The XR28V382 (V382) is a dual Universal Asynchronous Receiver and Transmitter (UART) for the Intel Low Pin Count (LPC) bus interface. This device can replace or supplement a Super I/O device to add additional serial ports to the system. The V382 UARTs support any 16-bit I/O address supported by the system. The register set is based on the industry-standard 16550 UART, so the V382 operates with standard serial-port drivers without requiring a custom driver to be installed. The 128 Byte Transmit and Receive FIFOs reduce CPU overhead and minimize the chance of buffer overflow and data loss. In addition to the 16550 UART registers, there are also configuration register sets where enhanced features such as the 9-bit (multi-drop) mode, IrDA mode, and the Watchdog Timer can be enabled.

Features and Benefits Applications
  • 128 Byte transmit and receive FIFOs
  • Compliant to LPC 1.1 specifications
  • -40°C to 85°C industrial temperature operation
  • Watchdog timer with WDTOUT# signal
  • Data rates up to 3 Mbps
  • Auto RS-485 half-duplex control mode
  • Single 3.3 V supply voltage (±10% )
  • 5 V tolerant inputs
  • 32 QFN 5 x 5 mm (two-channel V382)
  • Industrial PCs
  • Single-board computers
  • Embedded systems
  • Network routers
  • Factory automation controllers
XR28V382
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Publicado: 2014-01-30